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Tennis · ATPATP Tour

Matsuyama: Rei Sakamoto vs Billy Harris

Settled

$32.1K
Nov 14, 2026
9
$52.5K
—

Where holders with a record are, by question

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Moneyline

QuestionYesNo24h volume
Matsuyama: Rei Sakamoto vs Billy HarrisNO0.0¢100.0¢$32.0K

Match Totals

Game Handicap

Set Handicap

Set Totals

First Set Winner

QuestionYesNo24h volume
Matsuyama: Rei Sakamoto vs Billy Harris Set 1 WinnerYES100.0¢0.0¢—

Set Winner

Event facts

Category
Tennis · ATP
Series
ATP · daily
Fee
5% × p × (1−p) · taker only · 15% maker rebate
UMA bond
$250
Dispute window
30 minutes
Resolver
UMA CTF Adapter (sports)
Questions
9 settled
Fills, last 24 h
291
Polymarket-reported 24h volume
68,945 shares
  1. Created
  2. First trade
  3. Kick-off

Market details

Category
Tennis
Polymarket tag
ATP Tour
Discipline
Tennis
Polymarket series
ATP
Teams
Rei Sakamoto vs. Billy Harris

Who is trading this event

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How does this event settle?

Rules, as written by Polymarket

This market refers to the tennis match between Rei Sakamoto and Billy Harris in the Matsuyama, originally scheduled for November 13, 2026 at 9:00PM ET. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Billy Harris. This market will resolve to 'Billy Harris' if Billy Harris advances against Rei Sakamoto. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 27, 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.

Each question is its own Yes/No market: a share of the side that wins pays 100¢, the other side pays 0¢.

9 of the 9 have settled; Matsuyama: Rei Sakamoto vs Billy Harris Set 1 Winner settled Yes.

The result is checked against atptour.com. Open the source

Volume from on-chain fills over the last 24h. Trading data is ours; event metadata comes from Polymarket. Not affiliated with Polymarket · Not investment advice.