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ITF·Fri 11:00 AM ET

Sebastian Sorger vs Tommaso Compagnucci

Tommaso Compagnucci is the current favorite at $0.56 ask on Kalshi and $0.56 ask on Polymarket — an implied ≈56% chance. Prices as of 05:49 UTC on Jul 24, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Sebastian Sorger

ITF

Fri 11:00 AM ET

Tommaso Compagnucci
44%48%50%11:24 PM11:42 PM11:59 PM12:17 AM12:34 AM47¢46¢

Moneyline

Sebastian Sorger1¢ gap
Kalshi47¢Polymarket46¢
Tommaso Compagnucci
Kalshi56¢Polymarket56¢

How this settles

Spread
Read each venue's rules

Kalshi

The following market refers to the Compagnucci vs Sorger professional tennis match in the 2026 M25 Ollersbach Quarterfinal after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), all markets will resolve to $0.50. If a player withdraws or forfeits after a match has started, that player will resolve to No. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Polymarket

This market refers to the tennis match between Tommaso Compagnucci and Sebastian Sorger in the ITF Men Ollersbach, originally scheduled for July 24, 2026 at 11:00AM ET. This market will resolve to 'Tommaso Compagnucci' if Tommaso Compagnucci advances against Sebastian Sorger. This market will resolve to 'Sebastian Sorger' if Sebastian Sorger advances against Tommaso Compagnucci. 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.

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. How the market matching API works · Real-time WebSocket API docs. Feed reference DINO-XKQZ7-9182.