TennisEdge's AI model finds no betting value in L. Bronzetti vs C. Osorio (Parma on 2026-05-13) — the market is efficient, with C. Osorio favoured at 1.22.
Independent estimates of who wins, each from a different method. The blend is what the bot prices against the market.
| Method | L. Bronzetti | C. Osorio |
|---|---|---|
| Elo ratings-based, surface-weighted |
39.6% | 60.3% |
| Machine learning 29-feature gradient-boosted model |
23.9% | 76.1% |
| Serve / return point-by-point simulation |
41.1% | 58.9% |
| Blend what the bot actually prices off |
34.9% | 65.1% |
| Market implied de-vigged from the opening odds |
23.4% | 76.6% |
We publish how well these score against the closing market, including where they lose: how accurate are tennis predictions?
| Player | Surface | Elo | Record | Matches |
|---|---|---|---|---|
| L. Bronzetti | clay | 1714 | 103–71 | 174 |
| C. Osorio | hard | 1807 | 72–65 | 137 |
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. 1, 2026.
C. Osorio leads 4–0 over 4 meetings. Full record.
| Date | Event | Surface | Winner | Score |
|---|---|---|---|---|
| May 13, 2026 | Parma | clay | C. Osorio | 2 - 0 |
| Oct. 21, 2025 | Guangzhou | hard | C. Osorio | 2 - 0 |
| Oct. 6, 2024 | WTA Wuhan | hard | C. Osorio | 2 - 0 |
| May 10, 2022 | Rome | clay | C. Osorio | 2 - 0 |
| L | L. Samson | 0 - 2 | Aug. 1, 2026 |
| W | S. Sorribes Tormo | 1 - 2 | July 31, 2026 |
| W | A. Ibragimova | 0 - 2 | July 30, 2026 |
| W | M. Tona | 0 - 2 | July 28, 2026 |
| L | F. Ferro | 2 - 0 | July 25, 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 13, 2026 results & picks →
Math-only prediction: no LLM calls used