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Live prediction market odds for Felix Auger-Aliassime vs. Frances Tiafoe. Compare prices across Kalshi and Polymarket.

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Claim offerLegal in USAVerified Sep 14, 2026

MARKET RESOLVEDKalshi / Polymarket

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Frances Tiafoe Wins: Felix Auger-Aliassime vs. Frances Tiafoe

ATP·Resolved 2026-08-20

This market resolved on 2026-08-20. Frances Tiafoe was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Felix Auger-Aliassime vs.

Felix Auger-Aliassime vs. Frances Tiafoe — ATP Tennis match held on 2026-08-20. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
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Final odds
Loading 30D data…

Final Closing Odds

2 platforms
Candidate
Kalshi
Polymarket
Frances TiafoeWINNER
99%100%
Felix Auger-Aliassime
1%0%

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
Read Full Market Rulebooks
Stats
Spread0.9%
Platforms2
Candidates2
Winner

Frances Tiafoe

99.5% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Felix Auger-Aliassime vs. Frances Tiafoe

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.

KalshiKalshi
Primary Rule

If Frances Tiafoe wins the Tiafoe vs Auger-Aliassime professional tennis match in the 2026 ATP Cincinnati Round Of 16 after a ball has been played, then the market resolves to Yes.

Edge Cases

The following market refers to the Tiafoe vs Auger-Aliassime professional tennis match in the 2026 ATP Cincinnati Round Of 16 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

This market refers to the tennis match between Frances Tiafoe and Felix Auger-Aliassime in the Cincinnati Open, originally scheduled for August 19, 2026 at 8:30PM ET. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Felix Auger-Aliassime. This market will resolve to 'Felix Auger-Aliassime' if Felix Auger-Aliassime advances against Frances Tiafoe. 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. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources

Frequently Asked Questions

What does the Felix Auger-Aliassime vs. Frances Tiafoe prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Felix Auger-Aliassime vs. Frances Tiafoe odds?

The last available prices are Frances Tiafoe: 99.0¢ on Kalshi, 99.9¢ on Polymarket; Felix Auger-Aliassime: 1.0¢ on Kalshi, 0.1¢ on Polymarket. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Felix Auger-Aliassime vs. Frances Tiafoe odds vary across prediction markets?

The largest price difference shown across venues is 0.9 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Felix Auger-Aliassime vs. Frances Tiafoe prediction market payouts work?

For example, Frances Tiafoe at 99.5¢ implies about a 99.5% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

No price history available