Lasse Poertner and Niklas Guttau, both Germans, meet in the round of 16 at the M15 Uslar clay-court event. The 20-year-old Poertner holds a career-high ATP ranking near 850 and sits around 1470 currently, while the 26-year-old left-handed Guttau peaked at 877 and ranks near 1290-1390. Clay form, recent match volume, and home-soil familiarity stand out as primary factors, with limited head-to-head history available. No confirmed injuries or late withdrawals have surfaced, though both players' ITF results this summer reflect typical variance at this level. The match resolves upon completion of play.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAll Sports
World Cup
MLB
UFC
All
World Cup
Bolivia LFPB
UEL
MLS
UEFA Europa Conference League
Norway Eliteserien
Chinese Super League
Brazil Série B
Brazil Série A
Liga MX
Australia Cup
Romania SuperLiga
K-League
Sweden Allsvenskan
Peru Liga 1
Copa Sudamericana
ÖFB Cup
NWSL
TFF Süper Kupa
Colombia Primera A
J2 League
Denmark Superliga
Czechia Fortuna Liga
Chile Primera
Liga Nacional Guatemala
EPL
La Liga
UCL
Bundesliga
Ligue 1
Serie A
Primera División Argentina
Women's Champions League
Nike Liga
Primeira Liga
Saudi Professional League
Hockey
Golf
Poker
Chess
Pickleball
Volleyball
Esports
Lasse Poertner – Niklas Guttau
Moneyline
$20 Vol.
This market will resolve to 'Lasse Poertner' if Lasse Poertner advances against Niklas Guttau.
This market will resolve to 'Niklas Guttau' if Niklas Guttau advances against Lasse Poertner.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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: Jul 16, 2026, 12:00 AM ET
Resolution Source
https://www.itftennis.com/en/tournament-calendar/Resolver
0x65070BE91...Lasse Poertner – Niklas Guttau
Moneyline
$20 Vol.
This market will resolve to 'Lasse Poertner' if Lasse Poertner advances against Niklas Guttau.
This market will resolve to 'Niklas Guttau' if Niklas Guttau advances against Lasse Poertner.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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: Jul 16, 2026, 12:00 AM ET
Resolution Source
https://www.itftennis.com/en/tournament-calendar/Resolver
0x65070BE91...Lasse Poertner and Niklas Guttau, both Germans, meet in the round of 16 at the M15 Uslar clay-court event. The 20-year-old Poertner holds a career-high ATP ranking near 850 and sits around 1470 currently, while the 26-year-old left-handed Guttau peaked at 877 and ranks near 1290-1390. Clay form, recent match volume, and home-soil familiarity stand out as primary factors, with limited head-to-head history available. No confirmed injuries or late withdrawals have surfaced, though both players' ITF results this summer reflect typical variance at this level. The match resolves upon completion of play.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBeware of external links.
Beware of external links.
Beware of external links.
Beware of external links.
Frequently Asked Questions