This market refers to the tennis match between Hiromasa Koyama and Luca Castelnuovo in the ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard, originally scheduled for August 26, 2026 at 10:00PM ET.
This market will resolve to 'Hiromasa Koyama' if Hiromasa Koyama advances against Luca Castelnuovo.
This market will resolve to 'Luca Castelnuovo' if Luca Castelnuovo advances against Hiromasa Koyama.
If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 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.
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo
ITF
Luca Castelnuovo
0-0
–
vs
27/08 02:00
–
Hiromasa Koyama
0-0
Game context
Luca Castelnuovo enters this M25 Taipei 2 round-of-16 match on hard courts as the clear favorite, holding a substantial ranking edge at world No. 455 versus Hiromasa Koyama’s No. 1156. The 29-year-old Swiss has compiled a stronger recent hard-court record and deeper runs in higher-level events, including multiple challenger appearances, while the 18-year-old Japanese player has shown flashes in ITF events but carries a lower win rate and limited experience against established pros. Both advanced in straight or three-set victories on August 26—Castelnuovo over Moerani Bouzige and Koyama over Shinji Hazawa—yet the experience gap and surface consistency favor the higher-ranked player in trader consensus for this first meeting.
Moneyline
$38.1K Vol.Match Completed
1st Set Winner
Set Total
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 2 O/U 8.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Total Sets: O/U 2.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 2 O/U 9.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 2 O/U 10.5
Set Handicap
$27 Vol.ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set Handicap +/-1.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set Handicap +/-1.5
1st Set Total
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 1 O/U 8.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 1 O/U 9.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 1 O/U 10.5
Set Winner
Total Games
$11 Vol.ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Match O/U 21.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Match O/U 22.5
ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Match O/U 23.5
Resolution Source: www.itftennis.com
Odds & FAQ
What are the current odds for ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo?
At 99%, Completed Match has pulled far clear of ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo Set 1 Winner (99%). Prices stay live until resolution, but the market sees one clear outcome.
What do traders predict for ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo?
Traders price Completed Match at a 99% implied probability - about as confident as prediction markets get. Real money stands behind that number, updated live.
When does the ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo market resolve?
The market runs until 3 Sep 2026 (7 days left), then settles according to Polymarket's published resolution rules for this event.
How much money is trading on ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo?
Total turnover stands at $1.8M. Volume shows conviction: these odds are backed by actual positions, not polls.
How can I trade ITF MEN - SINGLES: M25 Taipei 2 (Taiwan), hard: Hiromasa Koyama vs Luca Castelnuovo on Polymarket?
Track the live odds on this page, then open the market on Polymarket to take a position. Trade carefully - only stake what you can afford to lose.
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