TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 23, 5:59 PM EST
Kalshi
The opening set of a professional tennis match determines early momentum as players vie for control, with the winner potentially establishing psychological dominance and setting the stage for subsequent rounds.
If Martin Landaluce wins set 1 in the Martin Landaluce vs Mattia Bellucci professional tennis match in the 2026 ATP Winston Salem Round Of 64, then the market resolves to Yes. If Mattia Bellucci wins set 1 in the Martin Landaluce vs Mattia Bellucci professional tennis match in the 2026 ATP Winston Salem Round Of 64, then the market resolves to Yes.