TOTAL VOLUME:
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24H VOL:
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24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
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406,019
Markets across
30,401
events
MATCHED EVENTS:
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PLATFORM COVERAGE:
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Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 2, 7:57 PM EST
Kalshi
The opening set between Rei Sakamoto and Frances Tiafoe will set the tone for their US Open clash. Securing the first set often provides a psychological edge and can be crucial in determining early control of the match.
If Rei Sakamoto wins set 1 in the Rei Sakamoto vs Frances Tiafoe professional tennis match in the 2026 US Open Men Singles Round Of 64, then the market resolves to Yes. If Frances Tiafoe wins set 1 in the Rei Sakamoto vs Frances Tiafoe professional tennis match in the 2026 US Open Men Singles Round Of 64, then the market resolves to Yes.