TennisEdge's AI model finds no betting value in M. Chwalinska vs C. Monnet (French Open on 2026-05-20) — the market is efficient, with M. Chwalinska favoured at 1.08.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | M. Chwalinska | C. Monnet |
|---|---|---|
| Elo ratings-based, surface-weighted |
69.6% | 30.4% |
| Machine learning 29-feature gradient-boosted model |
74.1% | 25.9% |
| Serve / return point-by-point simulation |
38.4% | 61.7% |
| Blend what the bot actually prices off |
60.7% | 39.3% |
| Market implied de-vigged from the opening odds |
88.1% | 11.9% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| M. Chwalinska | clay | 1841 | 113–59 | 172 |
| C. Monnet | clay | 1577 | 102–107 | 209 |
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 June 6, 2026.
Level at 2–2 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | M. Chwalinska | 2 - 0 |
| March 22, 2024 | W35 Alaminos-Larnaca 2 | clay | C. Monnet | 2 - 0 |
| June 27, 2023 | WTA Wimbledon | grass | C. Monnet | 2 - 0 |
| Jan. 16, 2022 | W25 Monastir 2 | hard | M. Chwalinska | 2 - 0 |
| L | M. Sawangkaew | 2 - 1 | June 29, 2026 |
| L | M. Linette | 1 - 2 | June 26, 2026 |
| L | M. Andreeva | 0 - 2 | June 6, 2026 |
| W | D. Shnaider | 0 - 2 | June 4, 2026 |
| W | A. Kalinskaya | 0 - 2 | June 3, 2026 |
| L | K. Quevedo | 2 - 0 | July 31, 2026 |
| W | E. R. Bertea | 0 - 2 | July 29, 2026 |
| W | M. Bulgaru | 0 - 2 | July 28, 2026 |
| L | J. Pieri | 0 - 1 | July 19, 2026 |
| L | B. Krejcikova | 2 - 0 | July 16, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used