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24H VOL:

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OPEN INTEREST:

$1,423,222,590

402,751

Markets across

30,217

events

MATCHED EVENTS:

2,632

PLATFORM COVERAGE:

5

Polymarket:

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Kalshi:

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Tsitsipas vs Fonseca
kalshi

Who will win Tsitsipas vs Fonseca?

Volume:
$3,535,037

Joao Fonseca

 - Kalshi

Joao Fonseca - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 5, 2026

Closed: Aug 5, 1:10 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Joao Fonseca

View
100%
Yes 100¢No 0¢
100¢
N/A
$1,804,401
N/A
N/A
$1,019,346
Settled
Yes
kalshi

Stefanos Tsitsipas

0%
Yes 0¢No 100¢
100¢
N/A
$1,730,636
N/A
N/A
$1,066,788
Settled
No
Total markets: 2

Description

The match features Stefanos Tsitsipas facing Joao Fonseca in a high-stakes tennis encounter. The outcome hinges on which player claims victory after the first serve is made, determining the market resolution.

Kalshi

If Stefanos Tsitsipas wins the Tsitsipas vs Fonseca professional tennis match in the 2026 ATP Montreal Round Of 64 after a ball has been played, then the market resolves to Yes. If Joao Fonseca wins the Tsitsipas vs Fonseca professional tennis match in the 2026 ATP Montreal Round Of 64 after a ball has been played, then the market resolves to Yes.