Billy Harris vs Abdullah Shelbayh Prediction (Jul 25, 2026)
Result: Abdullah Shelbayh won. We gave Abdullah Shelbayh 46% before the match, so our pick (Billy Harris) was wrong.
Brier score (lower is better): ours 0.286, market six hours out 0.384.
| Our model | Billy Harris 54% · Abdullah Shelbayh 46% |
| Market price at our call | Billy Harris 66% |
| Event | Mubadala Citi DC Open · Clay |
| Scheduled start | Sat Jul 25, 2026, 11:30 AM ET |
| Call logged | 2026-07-25 06:41 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 Mubadala Citi DC Open 2026 predictions · Billy Harris predictions · Abdullah Shelbayh predictions
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