Stefanos Tsitsipas faces rising Belgian Raphael Collignon on clay at the Swiss Open Gstaad, where both players have navigated early rounds. Tsitsipas, ranked outside the top 70 entering the week after a 17-15 season marked by early exits at majors and Masters events, secured a straight-sets first-round win over Ignacio Buse to open his campaign. Collignon, at a career-high No. 42 and showing strong recent form with multiple upsets, advanced to the quarterfinals by defeating Timofey Skatov, Lorenzo Sonego, and third seed Valentin Vacherot. The surface favors Tsitsipas’s experience and baseline game, while Collignon’s momentum and improved ranking reflect his ongoing breakthrough.
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Stefanos Tsitsipas – Raphael Collignon
Moneyline
$1.2M Vol.
This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Raphael Collignon.
This market will resolve to 'Raphael Collignon' if Raphael Collignon advances against Stefanos Tsitsipas.
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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Jul 18, 2026, 12:00 PM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Stefanos Tsitsipas – Raphael Collignon
Moneyline
$1.2M Vol.
This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Raphael Collignon.
This market will resolve to 'Raphael Collignon' if Raphael Collignon advances against Stefanos Tsitsipas.
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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Jul 18, 2026, 12:00 PM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Stefanos Tsitsipas faces rising Belgian Raphael Collignon on clay at the Swiss Open Gstaad, where both players have navigated early rounds. Tsitsipas, ranked outside the top 70 entering the week after a 17-15 season marked by early exits at majors and Masters events, secured a straight-sets first-round win over Ignacio Buse to open his campaign. Collignon, at a career-high No. 42 and showing strong recent form with multiple upsets, advanced to the quarterfinals by defeating Timofey Skatov, Lorenzo Sonego, and third seed Valentin Vacherot. The surface favors Tsitsipas’s experience and baseline game, while Collignon’s momentum and improved ranking reflect his ongoing breakthrough.
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.
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