TennisEdge's AI model finds no betting value in K. Deichmann vs H. Sakatsume (French Open on 2026-05-20) — the market is efficient, with H. Sakatsume favoured at 1.40.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | K. Deichmann | H. Sakatsume |
|---|---|---|
| Elo ratings-based, surface-weighted |
59.8% | 40.2% |
| Machine learning 29-feature gradient-boosted model |
70.1% | 29.9% |
| Serve / return point-by-point simulation |
45.5% | 54.5% |
| Blend what the bot actually prices off |
58.5% | 41.5% |
| Market implied de-vigged from the opening odds |
33.7% | 66.3% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| K. Deichmann | hard | 1522 | 84–72 | 156 |
| H. Sakatsume | hard | 1653 | 162–100 | 262 |
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 March 14, 2026.
H. Sakatsume leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | H. Sakatsume | 2 - 1 |
| L | V. Brand | 2 - 0 | July 19, 2026 |
| L | M. L. Carle | 2 - 1 | July 14, 2026 |
| L | T. Zidansek | Walk Over | July 9, 2026 |
| W | A. Prisacariu | 1 - 2 | July 8, 2026 |
| L | T. J. Brockmann | 2 - 1 | July 1, 2026 |
| L | M. Uchijima | 2 - 0 | Aug. 1, 2026 |
| L | M. Hontama | 2 - 0 | July 30, 2026 |
| W | A. Arseneault | 0 - 2 | July 30, 2026 |
| W | C. Wong Hong Yi | 1 - 2 | July 29, 2026 |
| L | F. Crawley | 2 - 1 | July 22, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used