TennisEdge's AI model finds no betting value in D. Semenistaja vs K. Zavatska (French Open on 2026-05-20) — the market is efficient, with D. Semenistaja favoured at 1.50.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | D. Semenistaja | K. Zavatska |
|---|---|---|
| Elo ratings-based, surface-weighted |
60.1% | 39.9% |
| Machine learning 29-feature gradient-boosted model |
69.3% | 30.7% |
| Serve / return point-by-point simulation |
45.8% | 54.2% |
| Blend what the bot actually prices off |
58.4% | 41.6% |
| Market implied de-vigged from the opening odds |
62.5% | 37.5% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| D. Semenistaja | clay | 1653 | 148–83 | 231 |
| K. Zavatska | clay | 1611 | 114–72 | 186 |
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 28, 2026.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | French Open | clay | K. Zavatska | 2 - 1 |
| Sept. 3, 2024 | Montreux Challenger Women | clay | D. Semenistaja | 2 - 1 |
| L | M. Ristic | 2 - 0 | July 28, 2026 |
| L | S. Kraus | 1 - 2 | July 21, 2026 |
| L | J. Riera | 2 - 1 | July 14, 2026 |
| L | L. Romero Gormaz | 2 - 1 | July 6, 2026 |
| L | A. Ruzic | 2 - 1 | June 29, 2026 |
| L | L. Bronzetti | 1 - 1 | May 22, 2026 |
| W | D. Semenistaja | 1 - 2 | May 20, 2026 |
| W | C. Zhao | 2 - 0 | May 19, 2026 |
| L | M. Hontama | 1 - 2 | May 13, 2026 |
| W | A. Kucmova | 1 - 2 | May 12, 2026 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used