Matsuyama: Rei Sakamoto vs Billy Harris

“Matsuyama: Rei Sakamoto vs Billy Harris Set 1 Winner” 100% (+35pp in 24h), “Matsuyama: Rei Sakamoto vs Billy Harris Match O/U 21.5” 50% (-5pp in 24h) and “Matsuyama: Rei Sakamoto vs Billy Harris Set Handicap +/-1.5” 50% (+2pp in 24h) on Polymarket as of 03:24 UTC on 14 Nov 2026: the highest-priced of the 9 markets in “Matsuyama: Rei Sakamoto vs Billy Harris”. The event has $5.5k in Polymarket-reported 24-hour volume. pdata.world tracks it alongside markets from 8 prediction-market platforms.

Polymarket·Sports·ends Nov 21, 2026

event9 outcomes

vol cum

$4.2k

vol 24h

$5.5k

outcomes

ends

Nov 21, 2026

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TennisSportsGames

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Matsuyama: Rei Sakamoto vs Billy Harris Set 1 Winner

rank #1

100¢

▲ 34.5pp

24h change

vol cum

vol 24h

spread

0.00

ends

Nov 21, 2026

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 wins the first set. It will resolve to “Billy Harris” if Billy Harris wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by November 27, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Challenger match statistics. This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).

timeline

opened · Nov 13, 2026opencloses · Nov 21, 2026

Matsuyama: Rei Sakamoto vs Billy Harris Set 1 Winner · prices over time

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