TennisEdge's AI model finds no betting value in G. Heide vs D. Added (French Open on 2026-05-19) — the market is efficient, with G. Heide favoured at 1.14.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | G. Heide | D. Added |
|---|---|---|
| Elo ratings-based, surface-weighted |
86.7% | 13.3% |
| Machine learning 29-feature gradient-boosted model |
81.9% | 18.1% |
| Blend what the bot actually prices off |
84.3% | 15.7% |
| Market implied de-vigged from the opening odds |
82.8% | 17.2% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
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.
G. Heide leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 19, 2026 | French Open | clay | G. Heide | 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 | K. Miyoshi | 1 - 2 | July 30, 2026 |
| W | L. Poullain | 2 - 1 | July 28, 2026 |
| L | F. Bax | 0 - 2 | July 21, 2026 |
| L | I. Ivashka | 1 - 2 | July 17, 2026 |
| W | A. Ghibaudo | 2 - 1 | July 16, 2026 |
All May 19, 2026 results & picks →
Math-only prediction: no LLM calls used