TennisEdge's AI model finds no betting value in J. Tjen vs C. Osorio (Rabat on 2026-05-20) — the market is efficient, with C. Osorio favoured at 1.23.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | J. Tjen | C. Osorio |
|---|---|---|
| Elo ratings-based, surface-weighted |
35.7% | 64.3% |
| Machine learning 29-feature gradient-boosted model |
21.1% | 78.9% |
| Serve / return point-by-point simulation |
47.2% | 52.8% |
| Blend what the bot actually prices off |
34.7% | 65.3% |
| Market implied de-vigged from the opening odds |
26.7% | 73.3% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
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. 3, 2026.
C. Osorio leads 2–0 over 2 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 20, 2026 | Rabat | clay | C. Osorio | 2 - 1 |
| Feb. 24, 2026 | WTA Merida | hard | C. Osorio | 2 - 0 |
| L | L. Samsonova | 0 - 2 | Aug. 3, 2026 |
| L | A. Kalinskaya | 1 - 2 | July 30, 2026 |
| W | R. Sramkova | 2 - 0 | July 27, 2026 |
| L | D. Kasatkina | 1 - 2 | July 1, 2026 |
| W | L. Fernandez | 0 - 2 | June 29, 2026 |
| 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 |
All May 20, 2026 results & picks →
Math-only prediction: no LLM calls used