TennisEdge's AI model finds no betting value in R. Collignon vs B. Shelton (French Open on 2026-05-28) — the market is efficient, with B. Shelton favoured at 1.53.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | R. Collignon | B. Shelton |
|---|---|---|
| Elo ratings-based, surface-weighted |
56.3% | 43.7% |
| Machine learning 29-feature gradient-boosted model |
56.5% | 43.5% |
| Serve / return point-by-point simulation |
55.8% | 44.2% |
| Blend what the bot actually prices off |
56.2% | 43.8% |
| Market implied de-vigged from the opening odds |
38.0% | 62.0% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| R. Collignon | clay | 1830 | 136–49 | 185 |
| B. Shelton | hard | 1936 | 144–68 | 212 |
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 21, 2026.
R. Collignon leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 28, 2026 | French Open | clay | R. Collignon | 3 - 0 |
| L | D. Altmaier | 2 - 0 | July 21, 2026 |
| L | S. Tsitsipas | 2 - 1 | July 19, 2026 |
| W | J. M. Cerundolo | 2 - 1 | July 18, 2026 |
| W | V. Vacherot | 2 - 1 | July 17, 2026 |
| W | L. Sonego | 2 - 0 | July 15, 2026 |
| L | A. Tabilo | 2 - 1 | Aug. 1, 2026 |
| W | U. Humbert | 1 - 2 | July 30, 2026 |
| W | M. Damm | 1 - 2 | July 28, 2026 |
| L | O. Virtanen | 3 - 2 | June 30, 2026 |
| W | C. Ruud | 0 - 2 | June 25, 2026 |
All May 28, 2026 results & picks →
Math-only prediction: no LLM calls used