TennisEdge's AI model finds no betting value in S. Waltert vs K. Siniakova (French Open on 2026-05-24) — the market is efficient, with K. Siniakova favoured at 1.42.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | S. Waltert | K. Siniakova |
|---|---|---|
| Elo ratings-based, surface-weighted |
69.0% | 31.0% |
| Machine learning 29-feature gradient-boosted model |
85.5% | 14.5% |
| Serve / return point-by-point simulation |
64.9% | 35.1% |
| Blend what the bot actually prices off |
73.1% | 26.9% |
| Market implied de-vigged from the opening odds |
33.3% | 66.7% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| S. Waltert | clay | 1732 | 123–80 | 203 |
| K. Siniakova | hard | 1822 | 101–77 | 178 |
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 22, 2026.
K. Siniakova leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 26, 2026 | French Open | clay | K. Siniakova | 2 - 0 |
| L | M. Sherif | 1 - 2 | July 22, 2026 |
| L | K. Kawa | 2 - 0 | July 14, 2026 |
| L | P. Badosa | 0 - 2 | July 11, 2026 |
| W | K. Quevedo | 0 - 2 | July 10, 2026 |
| W | L. Romero Gormaz | 2 - 0 | July 9, 2026 |
| L | N. Bartunkova | 0 - 2 | July 1, 2026 |
| W | Q. Zheng | 2 - 0 | June 29, 2026 |
| L | L. Samsonova | 2 - 0 | June 21, 2026 |
| L | J. Pegula | 2 - 0 | June 17, 2026 |
| W | R. Masarova | 2 - 0 | June 16, 2026 |
All May 24, 2026 results & picks →
Math-only prediction: no LLM calls used