Tim Heijmans, the Dutch local, faces German Niklas Grunewald on clay at the ITF M25 Oldenzaal, a low-tier futures event where both players are seeking ranking points in the qualifying or early main draw stages. Grunewald holds a modest ATP ranking near 2700 with a career high around 2267, giving him a slight edge in experience at this level, while Heijmans operates primarily on the ITF circuit with limited higher-profile results. Recent form shows Grunewald securing a straight-sets win over Frederik Brindopke to advance, whereas Heijmans battled through a three-set victory against Fabio Luis Guth that ended via retirement. Home-country support and clay familiarity could favor Heijmans, though the surface and match conditions remain key variables in this closely matched encounter with no prior head-to-head history.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated2:00 PM
T. HeijmansN. Grunewald
T. Heijmans-
N. Grunewald-
$0.00 Vol.
This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to “Heijmans” if Tim Heijmans wins set 2. It will resolve to “Grunewald” if Niklas Grunewald wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official ITF match statistics.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to “Heijmans” if Tim Heijmans wins the first set. It will resolve to “Grunewald” if Niklas Grunewald wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official ITF match statistics.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Heijmans" if Tim Heijmans wins by 2 or more sets than Niklas Grunewald, based on the final completed score. Otherwise, it will resolve to "Grunewald."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Niklas Grunewald and Tim Heijmans in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Grunewald" if Niklas Grunewald wins by 2 or more sets than Tim Heijmans, based on the final completed score. Otherwise, it will resolve to "Heijmans."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.Tim Heijmans, the Dutch local, faces German Niklas Grunewald on clay at the ITF M25 Oldenzaal, a low-tier futures event where both players are seeking ranking points in the qualifying or early main draw stages. Grunewald holds a modest ATP ranking near 2700 with a career high around 2267, giving him a slight edge in experience at this level, while Heijmans operates primarily on the ITF circuit with limited higher-profile results. Recent form shows Grunewald securing a straight-sets win over Frederik Brindopke to advance, whereas Heijmans battled through a three-set victory against Fabio Luis Guth that ended via retirement. Home-country support and clay familiarity could favor Heijmans, though the surface and match conditions remain key variables in this closely matched encounter with no prior head-to-head history.
This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Market Opened: Aug 23, 2026, 8:14 PM ET
Volume
$0End Date
Aug 31, 2026Market Opened
Aug 23, 2026, 8:14 PM ETResolution Source
https://www.itftennis.com/en/tournament-calendar/Resolver
0x65070BE91...2:00 PMT. HeijmansN. Grunewald
T. Heijmans-
N. Grunewald-
$0.00 Vol.
This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to “Heijmans” if Tim Heijmans wins set 2. It will resolve to “Grunewald” if Niklas Grunewald wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official ITF match statistics.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to “Heijmans” if Tim Heijmans wins the first set. It will resolve to “Grunewald” if Niklas Grunewald wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official ITF match statistics.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Heijmans" if Tim Heijmans wins by 2 or more sets than Niklas Grunewald, based on the final completed score. Otherwise, it will resolve to "Grunewald."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under." A super tie breaker is considered as one (1) set.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Niklas Grunewald and Tim Heijmans in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Grunewald" if Niklas Grunewald wins by 2 or more sets than Tim Heijmans, based on the final completed score. Otherwise, it will resolve to "Heijmans."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by September 7, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.
The primary resolution source for this market will be official ITF statistics; however, a consensus of credible reporting may also be used.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.
Resolution will be based on official ITF results.Tim Heijmans, the Dutch local, faces German Niklas Grunewald on clay at the ITF M25 Oldenzaal, a low-tier futures event where both players are seeking ranking points in the qualifying or early main draw stages. Grunewald holds a modest ATP ranking near 2700 with a career high around 2267, giving him a slight edge in experience at this level, while Heijmans operates primarily on the ITF circuit with limited higher-profile results. Recent form shows Grunewald securing a straight-sets win over Frederik Brindopke to advance, whereas Heijmans battled through a three-set victory against Fabio Luis Guth that ended via retirement. Home-country support and clay familiarity could favor Heijmans, though the surface and match conditions remain key variables in this closely matched encounter with no prior head-to-head history.
This market refers to the tennis match between Tim Heijmans and Niklas Grunewald in the ITF M25 Oldenzaal Men, Qualifying, originally scheduled for August 24, 2026 at 10:00AM ET.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market will resolve to 'Tim Heijmans' if Tim Heijmans advances against Niklas Grunewald.
This market will resolve to 'Niklas Grunewald' if Niklas Grunewald advances against Tim Heijmans.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Market Opened: Aug 23, 2026, 8:14 PM ET
Volume
$0End Date
Aug 31, 2026Market Opened
Aug 23, 2026, 8:14 PM ETResolution Source
https://www.itftennis.com/en/tournament-calendar/Resolver
0x65070BE91...Tim Heijmans, the Dutch local, faces German Niklas Grunewald on clay at the ITF M25 Oldenzaal, a low-tier futures event where both players are seeking ranking points in the qualifying or early main draw stages. Grunewald holds a modest ATP ranking near 2700 with a career high around 2267, giving him a slight edge in experience at this level, while Heijmans operates primarily on the ITF circuit with limited higher-profile results. Recent form shows Grunewald securing a straight-sets win over Frederik Brindopke to advance, whereas Heijmans battled through a three-set victory against Fabio Luis Guth that ended via retirement. Home-country support and clay familiarity could favor Heijmans, though the surface and match conditions remain key variables in this closely matched encounter with no prior head-to-head history.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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