TennisEdge's AI bot is backing M. Kostyuk (moneyline) at 2.03 in M. Kostyuk vs M. Andreeva (Cincinnati on 2026-08-19). Result: WON.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | M. Kostyuk | M. Andreeva |
|---|---|---|
| Elo ratings-based, surface-weighted |
50.9% | 49.1% |
| Machine learning 29-feature gradient-boosted model |
61.6% | 38.4% |
| Serve / return point-by-point simulation |
32.8% | 67.2% |
| Blend what the bot actually prices off |
46.8% | 53.2% |
| Market implied de-vigged from the opening odds |
43.3% | 56.7% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| M. Kostyuk | hard | 1865 | 127–81 | 208 |
| M. Andreeva | hard | 2007 | 108–42 | 150 |
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 Nov. 12, 2026.
M. Kostyuk leads 3–1 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| Aug. 19, 2026 | Cincinnati | hard | M. Kostyuk | 2 - 1 |
| June 4, 2026 | French Open | clay | M. Andreeva | 2 - 0 |
| May 2, 2026 | Madrid | clay | M. Kostyuk | 2 - 0 |
| Jan. 9, 2026 | WTA Brisbane | hard | M. Kostyuk | 2 - 0 |
| L | C. Gauff | 0 - 2 | Nov. 12, 2026 |
| L | J. Pegula | 0 - 2 | Nov. 10, 2026 |
| L | L. Noskova | 0 - 2 | Nov. 8, 2026 |
| L | E. Alexandrova | 1 - 0 | Oct. 21, 2026 |
| L | M. Sakkari | 2 - 1 | Oct. 13, 2026 |
| W | A. Sabalenka | 0 - 2 | Nov. 11, 2026 |
| W | E. Svitolina | 2 - 0 | Nov. 9, 2026 |
| L | Q. Zheng | 2 - 0 | Oct. 11, 2026 |
| W | N. Bartunkova | 2 - 0 | Oct. 10, 2026 |
| W | E. Alexandrova | 0 - 2 | Oct. 8, 2026 |
All Aug. 19, 2026 results & picks →