TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 11, 7:42 AM EST
Kalshi
Two professional tennis players face off in the ATP Rome Round of 32 during 2026, with focus on the outcome of the first set. One player will win the opening set to take an early advantage in the match.