Marta Kostyuk vs Iga Swiatek Prediction (Aug 8, 2026)
Result: Iga Swiatek won. We gave Iga Swiatek 49% before the match, so our pick (Marta Kostyuk) was wrong.
Brier score (lower is better): ours 0.263, market six hours out 0.168.
| Our model | Marta Kostyuk 51% · Iga Swiatek 49% |
| Market price at our call | Marta Kostyuk 28% |
| Event | Toronto · Hard |
| Scheduled start | Sat Aug 8, 2026, 03:00 PM ET |
| Call logged | 2026-08-07 16:10 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 Canadian Open 2026 predictions · Marta Kostyuk predictions · Iga Swiatek predictions
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