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Tennis

Biryukov vs Sun: who will win?

61% say Fajing Sun wins

Up 4 points today.

Match time has passed. Waiting for the official result.

Polymarket lists November 4, 2026 as the end date, but the rules allow until November 11, 2026.

Each share pays $1 if it happens, so 61¢ means about a 61% chance.

Research, not advice. Prices from Polymarket’s international site, not available in the US. Sports event contracts are restricted or under legal challenge in several US states. Check your state’s law and the venue’s terms.

The short version

Petr Bar Biryukov and Fajing Sun play a tennis match at the Ningbo, scheduled for October 28, 2026 at 10:00 PM .

Possible results

  • Petr Bar BiryukovPetr Bar Biryukov wins and moves on.39%

    What has to happen

    Petr Bar Biryukov advances against Fajing Sun.

  • Fajing SunFajing Sun wins and moves on.61%

    What has to happen

    Fajing Sun advances against Petr Bar Biryukov.

The one trap

If the match is canceled, ends in a tie, or still has no winner by November 11, 2026, the market settles 50-50 and every share pays 50¢.

See all fine print
  • If a player stops partway through (retires), or is defaulted or disqualified, the player who moves on wins the market.
  • If a player pulls out before the match starts (a walkover), the market settles 50-50.
  • The official result comes from the ATP Tour. Trusted news reports can also be used.
Price chart
-Yes chance

Recorded moves

  • The price rose 28.0 points in about 15 minutes, from 47¢ to 75¢. This market has no official data feed that we track.

    Named source: ATP official5m ago

  • The price rose 33.5 points in about 15 minutes, from 11.5¢ to 45¢. This market has no official data feed that we track.

    Named source: ATP official35m ago

View on Polymarket

Show details for experienced traders

The details

Rule note: full game including overtimeSettled by ATP official
Fine-print risk
Low (10/100)
settles on the condition as written

Pro adds the exact price, today’s change in points, buyers vs sellers in dollars, the price chart and every recorded move. See Pro

  • Official source: settlement runs on ATP official results; credible reporting as a last resort. Posts the final result after the game. No recorded moves for this market yet.
  • Fine print: Settles on the official final result as played, overtime included. Postponed games stay open until completed; cancellations follow the stated fallback. Deadline: Wed, Oct 28, 2026, 10:00 PM ET.

Source named: ATP official (not a tracked official feed, no release history)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Full rules text on file (Polymarket)

This market refers to the tennis match between Petr Bar Biryukov and Fajing Sun in the Ningbo, originally scheduled for October 28, 2026 at 10:00PM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Fajing Sun. This market will resolve to 'Fajing Sun' if Fajing Sun advances against Petr Bar Biryukov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 11, 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.

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