TennisEdge's AI model finds no betting value in G. Heide vs J. Rodionov (French Open on 2026-05-20) — the market is efficient, with G. Heide favoured at 1.44.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | G. Heide | J. Rodionov |
|---|---|---|
| Elo ratings-based, surface-weighted |
75.9% | 24.1% |
| Machine learning 29-feature gradient-boosted model |
75.9% | 24.1% |
| Serve / return point-by-point simulation |
60.7% | 39.3% |
| Blend what the bot actually prices off |
70.8% | 29.2% |
| Market implied de-vigged from the opening odds |
64.6% | 35.4% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| G. Heide | clay | 1764 | 151–79 | 230 |
| J. Rodionov | hard | 1651 | 134–95 | 229 |
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 18, 2026.
J. Rodionov leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | J. Rodionov | 2 - 0 |
| L | K. Feldbausch | 0 - 2 | July 18, 2026 |
| L | T. Droguet | 2 - 0 | July 10, 2026 |
| W | C. Cretu | 1 - 2 | July 9, 2026 |
| W | D. Poljak | 0 - 2 | July 7, 2026 |
| L | M. Cecchinato | 0 - 2 | July 4, 2026 |
| L | J. Mackenzie | 2 - 0 | July 31, 2026 |
| W | N. McDonald | 0 - 2 | July 29, 2026 |
| W | P. Boscardin Dias | 0 - 2 | July 27, 2026 |
| L | T. M. Etcheverry | 2 - 0 | July 22, 2026 |
| W | J. J. Schwaerzler | 0 - 2 | July 20, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used