Matteo Arnaldi win?most traded
YESMatteo Arnaldi winNORei Sakamoto win
Settles: Official final score.
Sports · 16 markets
Japan Open Tennis Championships: Matteo Arnaldi vs Rei Sakamoto
Vol total$407
Vol 24h$407
Liquidity$22K
Resolves9d
Your bet
Every card is one question. Tap Yes if you think it happens, No if you don't. Each button shows the chance the market gives it, what your $10 becomes if you're right (stake included), and the profit. Wrong = you lose your $10, never more. No is everything that isn't Yes.
Result1 question
Games1 question
22 or more games?
YES22 or more games in totalNO21 or fewer · Exactly 21 counts as No.
Other lines:
Settles: Total games at the final score.
Sets & games5 questions
Set 1: Matteo Arnaldi wins?
YESMatteo Arnaldi wins set 1NORei Sakamoto wins set 1
Settles: Winner of set 1.
Set 2: Matteo Arnaldi wins?
YESMatteo Arnaldi wins set 2NORei Sakamoto wins set 2
Settles: Winner of set 2.
3 or more sets?
YES3 or more sets in totalNO2 or fewer · Exactly 2 counts as No.
Settles: Total sets at the final score.
Rei Sakamoto win by 2 or more sets?
YESRei Sakamoto win by 2+ setsNORei Sakamoto win by less or lose
Settles: Final margin of victory.
Rei Sakamoto win by 1 or more games?
YESRei Sakamoto win by 1+ gamesNORei Sakamoto win by less or lose
Settles: Final margin of victory.
Halves & periods2 questions
Set 1: 9 or more sets?
YES9 or more sets in totalNO8 or fewer · Exactly 8 counts as No.
Other lines:
Settles: Total sets in the set 1 only.
Set 2: 9 or more games?
YES9 or more games in totalNO8 or fewer · Exactly 8 counts as No.
Other lines:
Settles: Total games in the set 2 only.
Moments1 question
Match played to the end?
YESNo retirement or walkoverNORetirement or walkover
Settles: Whether the match is completed.
Resolution rules
This market refers to the tennis match between Matteo Arnaldi and Rei Sakamoto in the Japan Open Tennis Championships, originally scheduled for September 29, 2026 at 9:00PM ET. 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 a winner has not been determined by October 13, 2026, 11:59 PM ET (14 days after the scheduled start), 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. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.