Current implied probability
No 54.5%
No 54.5%Market quality
30 / 100
Low quality24h Volume
—
Liquidity
—
Liquidity unknownMarket data
Updated 1 minute ago
Sep 28, 26, 10:00 AM UTCOct 1, 26, 9:03 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Matteo Arnaldi vs Rei Sakamoto: Exact Match Score
KalshiMatteo Arnaldi vs Rei Sakamoto: Set 1 Winner
KalshiMatteo Arnaldi vs Rei Sakamoto: Game Spread
KalshiMatteo Arnaldi vs Rei Sakamoto: Set 2 Winner
KalshiCuritiba (Doubles): Vialle/Storck vs Pereira/Sakamoto
PolymarketAlejandro Davidovich Fokina vs Matteo Berrettini
LimitlessRules
This market refers to the tennis match between Matteo Arnaldi and Rei Sakamoto in the ATP Japan Open, originally scheduled for September 30, 2026 at 00:00 UTC.
- This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Rei Sakamoto.
- This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Matteo Arnaldi.
- If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
- If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
- If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
Prediction Source Comparison
- Also available on Polymarket — Japan Open Tennis Championships: Matteo Arnaldi vs Rei Sakamoto · Arnaldi vs. Sakamoto: Set 1 Games O/U 8.5 — Over 82%
