TennisEdge's AI model finds no betting value in C. Osorio vs A. Tomljanovic (Eastbourne on 2026-06-20) — the market is efficient, with A. Tomljanovic favoured at 1.66.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | C. Osorio | A. Tomljanovic |
|---|---|---|
| Elo ratings-based, surface-weighted |
31.6% | 68.4% |
| Machine learning 29-feature gradient-boosted model |
35.5% | 64.5% |
| Blend what the bot actually prices off |
36.8% | 63.2% |
| Market implied de-vigged from the opening odds |
44.1% | 55.9% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| C. Osorio | hard | 1807 | 72–65 | 137 |
| A. Tomljanovic | hard | 1767 | 73–69 | 142 |
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 Aug. 2, 2026.
C. Osorio leads 2–1 over 3 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| June 20, 2026 | Eastbourne | grass | A. Tomljanovic | 2 - 0 |
| Sept. 26, 2024 | WTA Beijing | hard | C. Osorio | 2 - 1 |
| Aug. 20, 2024 | WTA Monterrey | hard | C. Osorio | 2 - 0 |
| W | L. Stefanini | 0 - 2 | Aug. 2, 2026 |
| L | A. Zakharova | 0 - 2 | July 29, 2026 |
| W | S. Hunter | 2 - 0 | July 28, 2026 |
| L | L. Noskova | 1 - 2 | July 2, 2026 |
| W | S. Waltert | 2 - 0 | June 30, 2026 |
| L | M. Bolkvadze | 1 - 2 | June 30, 2026 |
| L | T. Valentova | 2 - 1 | June 24, 2026 |
| W | E. Cocciaretto | 2 - 1 | June 22, 2026 |
| W | V. Erjavec | 2 - 0 | June 21, 2026 |
| W | C. Osorio | 0 - 2 | June 20, 2026 |
All June 20, 2026 results & picks →
Math-only prediction: no LLM calls used