TennisEdge's AI model finds no betting value in T. C. Grant vs T. Preston (Wimbledon on 2026-06-23) — the market is efficient, with T. Preston favoured at 1.55.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | T. C. Grant | T. Preston |
|---|---|---|
| Elo ratings-based, surface-weighted |
65.7% | 34.3% |
| Machine learning 29-feature gradient-boosted model |
33.9% | 66.1% |
| Blend what the bot actually prices off |
65.7% | 34.3% |
| Market implied de-vigged from the opening odds |
41.0% | 59.0% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| T. C. Grant | clay | 1709 | 50–24 | 74 |
| T. Preston | hard | 1773 | 139–62 | 201 |
Our own ratings, computed from match results since 2018. Players with fewer than 5 rated matches are omitted rather than shown at a provisional starting value. Last updated July 14, 2026.
T. C. Grant leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 23, 2026 | Wimbledon | grass | T. C. Grant | 2 - 1 |
| L | M. Trevisan | 2 - 0 | July 14, 2026 |
| L | M. Bouzkova | 0 - 2 | July 2, 2026 |
| W | K. Boulter | 0 - 2 | June 30, 2026 |
| W | H. Tan | 0 - 2 | June 25, 2026 |
| W | J. Garland | 0 - 2 | June 24, 2026 |
| W | M. Inglis | 0 - 2 | Aug. 1, 2026 |
| W | M. Sawangkaew | 2 - 1 | July 31, 2026 |
| W | P. Hon | 0 - 2 | July 30, 2026 |
| W | H. Dart | 0 - 2 | July 30, 2026 |
| W | H. Kaji | 0 - 2 | July 29, 2026 |
All June 23, 2026 results & picks →
Math-only prediction: no LLM calls used