US Open WTA: Naomi Osaka vs Katerina SiniakovaUS Open WTA: Naomi Osaka vs Katerina Siniakova Set Handicap +/-1.5
Open$412as of
Odds now
The market prices a 86% chance that this market resolves Siniakova, as of .
Siniakova86¢
Osaka14¢
as of
What would make this resolve Siniakova?
This market refers to the tennis match between Naomi Osaka and Katerina Siniakova in the US Open WTA, originally scheduled for September 2, 2026 at 11:00AM ET.
This market will resolve to "Osaka" if Naomi Osaka wins by 2 or more sets than Katerina Siniakova, based on the final completed score. Otherwise, it will resolve to "Siniakova."
If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. For example, if the deciding set has begun when the match ends, Naomi Osaka can no longer win by 2 or more sets, and this market will resolve to "Siniakova."
If the match is canceled before play begins, or a result has not been determined by September 16, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Grand Slam results.
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See all outcomes for US Open WTA: Naomi Osaka vs Katerina Siniakova — the full event, with combined odds and signal timeline.