| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Alexander Zverev | 0% | 63¢ | 97¢ | — | $0 | Trade → |
| Frances Tiafoe | 0% | 29¢ | 97¢ | — | $0 | Trade → |
This market asks which player will win the first set in the singles match between Frances Tiafoe and Alexander Zverev. First-set markets isolate opening-match dynamics and are useful for traders who want exposure to the start-of-match momentum rather than the full-match outcome.
Frances Tiafoe and Alexander Zverev are established tour players with contrasting styles: Tiafoe typically relies on athletic baseline aggression and quick court movement, while Zverev uses a big serve and heavy groundstrokes from the back of the court. Their prior meetings, recent form, and the surface for this match can all influence who starts stronger, but head-to-head history does not guarantee a particular set result.
Market prices represent the collective market view on which player is expected to win the first set, and they update as new information arrives (injury news, warmups, on-site conditions, etc.). Movement in prices often reflects late-breaking news or shifts in trader sentiment rather than a fixed ‘truth.’
The outcome is determined by the official winner of the first completed set as recorded by tournament officials; tiebreak results that decide the first set are included.
If the first set goes to a tiebreak, the market is settled to the player who wins that tiebreak and thus the first set, per the tournament’s official result.
Settlement follows KALSHI’s official rules: if the first set is not completed the market may be voided or settled based on the tournament’s official determination—check KALSHI’s event settlement policy for specifics.
Monitor official injury updates and on-court warmups, confirmed court surface and conditions, last-match minutes played (fatigue), and any late withdrawals or lineup confirmations.
A $0 traded volume means no trades have executed yet; the market can still be open for trading if it hasn’t closed, but low liquidity can produce wider spreads and greater price volatility when trades occur.