TennisEdge's AI model finds no betting value in A. Kalinskaya vs G. Ruse (Bad Homburg on 2026-06-24) — the market is efficient, with A. Kalinskaya favoured at 1.67.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | A. Kalinskaya | G. Ruse |
|---|---|---|
| Elo ratings-based, surface-weighted |
35.2% | 64.8% |
| Machine learning 29-feature gradient-boosted model |
54.7% | 45.3% |
| Blend what the bot actually prices off |
44.9% | 55.1% |
| Market implied de-vigged from the opening odds |
56.8% | 43.2% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| A. Kalinskaya | hard | 1880 | 126–78 | 204 |
| G. Ruse | hard | 1766 | 83–58 | 141 |
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 31, 2026.
Level at 1–1 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 24, 2026 | Bad Homburg | grass | G. Ruse | 2 - 0 |
| Jan. 12, 2026 | WTA Adelaide | hard | A. Kalinskaya | 2 - 0 |
| L | J. Pegula | 2 - 0 | July 31, 2026 |
| W | J. Tjen | 1 - 2 | July 30, 2026 |
| W | D. Kasatkina | 0 - 2 | July 28, 2026 |
| L | B. Bencic | 2 - 1 | July 3, 2026 |
| W | D. Parry | 1 - 2 | July 1, 2026 |
| W | P. Stearns | 2 - 0 | Aug. 3, 2026 |
| L | K. Quevedo | 2 - 0 | July 14, 2026 |
| L | C. McNally | 0 - 2 | June 30, 2026 |
| L | K. Muchova | 0 - 2 | June 26, 2026 |
| W | E. Navarro | 0 - 2 | June 25, 2026 |
All June 24, 2026 results & picks →
The model consensus suggests value on G. Ruse (7.8% edge), driven almost entirely by an ELO rating (64.8% win prob) that has surged due to her recent title run. However, this statistical signal fails to account for the critical qualitative factor of fatigue: Ruse played a full match today (June 23) while Kalinskaya has been resting since yesterday. Backing a player on a 'double-header' day on grass, following a 6-match winning streak, is high-risk. The ML model (54.7% Kalinskaya) aligns better with the reality that Ruse's legs will be heavy. While Kalinskaya is the likely winner, the odds (1.67) offer no value once the fatigue discount is applied, leading to a pass.