Hiromasa Koyama, the 18-year-old Japanese player ranked around No. 1364, meets higher-ranked Colin Sinclair of the Northern Mariana Islands in the ITF M15 Harmon quarterfinal on outdoor hard courts. Sinclair sits at approximately No. 493 and brings greater experience, while Koyama has posted a strong recent run with straight-set wins over Adrian Arcon and Hoyoung Roh in Harmon plus solid hard-court results earlier in 2026. Sinclair advanced past Shunsuke Nakagawa and Matt Kleiman in the same event. The pair has no prior head-to-head history, and both enter on rest after comfortable opening victories on the same surface.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato02:15
H. Koyama
C. Sinclair
H. Koyama-
C. Sinclair-
$4.37K Vol.
This market refers to the tennis match between Hiromasa Koyama and Colin Sinclair in the ITF Men Harmon, originally scheduled for June 4, 2026 at 10:15PM ET.
This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Colin Sinclair.
This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Hiromasa Koyama.
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.This market refers to the tennis match between Hiromasa Koyama and Colin Sinclair in the ITF Men Harmon, originally scheduled for June 4, 2026 at 10:15PM 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 is delayed beyond 7 days from the scheduled date without a winner determined, 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.Hiromasa Koyama, the 18-year-old Japanese player ranked around No. 1364, meets higher-ranked Colin Sinclair of the Northern Mariana Islands in the ITF M15 Harmon quarterfinal on outdoor hard courts. Sinclair sits at approximately No. 493 and brings greater experience, while Koyama has posted a strong recent run with straight-set wins over Adrian Arcon and Hoyoung Roh in Harmon plus solid hard-court results earlier in 2026. Sinclair advanced past Shunsuke Nakagawa and Matt Kleiman in the same event. The pair has no prior head-to-head history, and both enter on rest after comfortable opening victories on the same surface.
02:15H. KoyamaC. Sinclair
H. Koyama-
C. Sinclair-
$4.37K Vol.
This market refers to the tennis match between Hiromasa Koyama and Colin Sinclair in the ITF Men Harmon, originally scheduled for June 4, 2026 at 10:15PM ET.
This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Colin Sinclair.
This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Hiromasa Koyama.
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.This market refers to the tennis match between Hiromasa Koyama and Colin Sinclair in the ITF Men Harmon, originally scheduled for June 4, 2026 at 10:15PM 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 is delayed beyond 7 days from the scheduled date without a winner determined, 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.Hiromasa Koyama, the 18-year-old Japanese player ranked around No. 1364, meets higher-ranked Colin Sinclair of the Northern Mariana Islands in the ITF M15 Harmon quarterfinal on outdoor hard courts. Sinclair sits at approximately No. 493 and brings greater experience, while Koyama has posted a strong recent run with straight-set wins over Adrian Arcon and Hoyoung Roh in Harmon plus solid hard-court results earlier in 2026. Sinclair advanced past Shunsuke Nakagawa and Matt Kleiman in the same event. The pair has no prior head-to-head history, and both enter on rest after comfortable opening victories on the same surface.
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