TennisEdge's AI model finds no betting value in T. Kostovic vs K. Quevedo (French Open on 2026-05-20) — the market is efficient, with K. Quevedo favoured at 1.75.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | T. Kostovic | K. Quevedo |
|---|---|---|
| Elo ratings-based, surface-weighted |
41.9% | 58.1% |
| Machine learning 29-feature gradient-boosted model |
30.0% | 70.0% |
| Serve / return point-by-point simulation |
33.9% | 66.1% |
| Blend what the bot actually prices off |
35.3% | 64.7% |
| Market implied de-vigged from the opening odds |
46.7% | 53.3% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| T. Kostovic | clay | 1583 | 52–32 | 84 |
| K. Quevedo | clay | 1748 | 90–49 | 139 |
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 16, 2026.
K. Quevedo leads 1–0 over 1 meeting. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | K. Quevedo | 2 - 1 |
| L | M. Kubka | 1 - 2 | Aug. 3, 2026 |
| W | V. Wolff | 0 - 2 | July 26, 2026 |
| W | A. Siskova | 0 - 2 | July 25, 2026 |
| W | J. Pastikova | 0 - 2 | July 24, 2026 |
| W | K. Supova | 0 - 2 | July 23, 2026 |
| L | L. Samson | 1 - 2 | Aug. 2, 2026 |
| W | F. Jones | 1 - 0 | Aug. 1, 2026 |
| W | C. Monnet | 2 - 0 | July 31, 2026 |
| W | I. Burillo Escorihuela | 2 - 0 | July 29, 2026 |
| W | I. Fetecau | 2 - 0 | July 27, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used