US Open ATP: Frances Tiafoe vs Alex Michelsen: result and scorecard
Resolved Frances Tiafoe. One day before close Polymarket priced that outcome at 58.5%; a week before, –. $6.9M traded in total.
Result
Price 1 day before
Price 7 days before
Volume
Final prices by outcome
| Outcome | Result |
|---|---|
| Frances Tiafoe | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 3.5 · Over 3.5 | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 38.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Game Spread +/-1.5 · Michelsen | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 · Tiafoe | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 Winner · Michelsen | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 Winner · Michelsen | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 40.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 Winner · Tiafoe | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 · Tiafoe | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 · Michelsen | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 · Michelsen | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 36.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 4.5 · Over 4.5 | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 10.5 · Over | WON |
| Completed Match | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 Winner · Tiafoe | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 8.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 9.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 8.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 9.5 · Under | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 10.5 · Under | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 8.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 9.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 10.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 8.5 · Over | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 9.5 · Under | WON |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 10.5 · Under | WON |
| Alex Michelsen | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 3.5 · Under 3.5 | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 38.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Game Spread +/-1.5 · Tiafoe | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 · Michelsen | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 Winner · Tiafoe | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 Winner · Tiafoe | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 40.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 Winner · Michelsen | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 · Michelsen | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-1.5 · Tiafoe | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set Handicap +/-2.5 · Tiafoe | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Match O/U 36.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Total Sets: O/U 4.5 · Under 4.5 | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 10.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 Winner · Michelsen | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 8.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 1 O/U 9.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 8.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 9.5 · Over | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 2 O/U 10.5 · Over | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 8.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 9.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 3 O/U 10.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 8.5 · Under | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 9.5 · Over | LOST |
| US Open ATP: Frances Tiafoe vs Alex Michelsen Set 4 O/U 10.5 · Over | LOST |
Price history to resolution
Scorecard
Resolution rules
This market refers to the tennis match between Frances Tiafoe and Alex Michelsen in the US Open ATP, originally scheduled for September 8, 2026 at 11:30AM ET. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Alex Michelsen. This market will resolve to 'Alex Michelsen' if Alex Michelsen advances against Frances Tiafoe. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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.
Frequently asked questions
- How did "US Open ATP: Frances Tiafoe vs Alex Michelsen" resolve?
- It resolved Frances Tiafoe around September 15, 2026.
- What did the market predict?
- Polymarket priced the winning outcome at 58.5% one day before close, – one week before and – one month before.
- How much was traded?
- $6.9M across 28 outcomes.
Related on BetG8
Data: Polymarket Gamma and CLOB APIs, fetched by BetG8 at the time shown above. Venues may restrict access by location. 18+ only.