| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Stefan Horia Haita | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Joel Schwaerzler | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks which player—Stefan Horia Haita or Joel Schwaerzler—will win the first set of their match. First-set markets focus on early-match dynamics and are useful for traders who want exposure to short-term performance rather than the final result.
First-set outcomes in tennis are driven by serve strength, opening tactics, and immediate physical condition; they can differ from full-match expectations. Relevant context includes the tournament surface, scheduling (time of day, court assignment), recent match play for each player, and any head-to-head history available. The market's close time is listed as TBD, so watch the exchange for scheduling updates and official match status.
Market prices reflect the collective view of traders about who will win the opening set and will move as new information becomes available. Use price movement together with independent checks on injuries, late withdrawals, and live conditions to interpret market signals.
It refers specifically to which player wins the first set of the match; the market resolves to the player officially recorded as winning set one.
The market close is listed as TBD; settlement will follow the exchange's official confirmation of the first-set result once the set is completed. Check KALSHI's market page and published settlement rules for exact timing and procedures.
If a tiebreak decides the first set, the winner of that tiebreak is the first-set winner and the market resolves to that player according to the official match score.
If the first set is not completed, settlement depends on the exchange's cancellation and settlement policies; consult KALSHI's official rules and announcements for guidance on voiding or resolving such cases.
Review each player's recent match outcomes, serve and return stats, any injury or withdrawal reports, prior head-to-head results if available, and the tournament/surface context to assess how they typically start matches.