| Outcome | Probability | Yes Bid | Yes Ask | 24h Change | Volume | |
|---|---|---|---|---|---|---|
| Arthur Fils | 0% | 0¢ | 0¢ | — | $0 | Trade → |
| Tommy Paul | 0% | 0¢ | 0¢ | — | $0 | Trade → |
This market asks which player will win the first set in the match between Tommy Paul and Arthur Fils. First-set markets matter because they isolate early-match dynamics and are sensitive to serve, momentum, and tactical openings.
Tommy Paul is an established tour player and Arthur Fils is a younger, rising competitor; their matchup combines differing experience levels and playing styles that can influence short-term outcomes like a first set. Historical matchups, surface type, and tournament context (e.g., Grand Slam vs. ATP event, round, court speed) shape how each player approaches the opening set.
Prediction market odds for this event reflect collective expectations about who will win the first set and update as new information arrives (injuries, weather, warmup reports). Treat odds as a reflection of market sentiment and available information at the time, not a fixed assessment of player ability.
The close time is set by the platform listing for this event; many markets close at or just before the scheduled match start or the beginning of the first set. Check the KALSHI listing for the official close time.
The winner is the player who wins the first set as recorded by the official match score, including any tiebreak used to decide that set. The market resolves to the official tournament result for set one.
Resolution depends on platform rules: on many platforms, if the first set is not completed the market is voided and funds are returned, but some venues follow the official match outcome if a retirement occurs after the set is completed. Consult KALSHI's resolution policy for this specific event.
Head-to-head results provide context but are only one factor; surface, current form, and how each player starts the match often matter more for a single set, so head-to-head should be weighed alongside recent performances and conditions.
Odds can shift rapidly in response to late-breaking information such as warmup reports, injury news, weather delays, or lineups; markets update in real time up until the event's close, reflecting new information and participant activity.