TennisEdge's AI model finds no betting value in C. Ruud vs J. Fonseca (French Open on 2026-05-31) — the market is efficient, with C. Ruud favoured at 1.61.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | C. Ruud | J. Fonseca |
|---|---|---|
| Elo ratings-based, surface-weighted |
79.2% | 20.8% |
| Machine learning 29-feature gradient-boosted model |
85.5% | 14.5% |
| Serve / return point-by-point simulation |
75.3% | 24.7% |
| Blend what the bot actually prices off |
80.0% | 20.0% |
| Market implied de-vigged from the opening odds |
58.8% | 41.2% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| C. Ruud | hard | 1866 | 119–78 | 197 |
| J. Fonseca | hard | 1954 | 61–22 | 83 |
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 April 4, 2026.
J. Fonseca leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 31, 2026 | French Open | clay | J. Fonseca | 3 - 1 |
| L | J. M. Cerundolo | 2 - 1 | July 17, 2026 |
| W | J. Faria | 1 - 2 | July 16, 2026 |
| L | H. Hurkacz | 0 - 3 | June 29, 2026 |
| L | B. Shelton | 0 - 2 | June 25, 2026 |
| L | J. Fonseca | 1 - 3 | May 31, 2026 |
| W | C. Moutet | 3 - 1 | July 18, 2026 |
| W | T. Griekspoor | 3 - 1 | July 18, 2026 |
| L | N. Kyrgios | 0 - 3 | July 18, 2026 |
| L | R. Safiullin | 3 - 0 | July 3, 2026 |
| W | J. De Jong | 0 - 3 | July 1, 2026 |
All May 31, 2026 results & picks →
Math-only prediction: no LLM calls used