Frances Tiafoe vs Rei Sakamoto Prediction (Sep 2, 2026)
Result: Frances Tiafoe won. We gave Frances Tiafoe 89% before the match, so our pick (Frances Tiafoe) was right.
Brier score (lower is better): ours 0.011, market six hours out 0.048.
| Our model | Frances Tiafoe 89% · Rei Sakamoto 11% |
| Market price at our call | Frances Tiafoe 63% |
| Event | US Open Men Singles · Hard |
| Scheduled start | Wed Sep 2, 2026, 12:00 AM ET |
| Call logged | 2026-09-01 05:47 UTC (before first serve) |
Every call we make is logged before the match and graded after it. See the live tennis board, the full match list and our public track record.
All US Open 2026 predictions · Frances Tiafoe predictions · Rei Sakamoto predictions
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