C. Osorio leads the head-to-head 2-1 since 2018 against A. Tomljanovic, over 3 matches.
| Surface | A. Tomljanovic | C. Osorio |
|---|---|---|
| Grass | 1 | 0 |
| Hard | 0 | 2 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 20, 2026 | A. Tomljanovic | 2 - 0 | Eastbourne · Semi-finals · grass |
| Sept. 26, 2024 | C. Osorio | 2 - 1 | WTA Beijing · 1/64-finals · hard |
| Aug. 20, 2024 | C. Osorio | 2 - 0 | WTA Monterrey · 1/16-finals · hard |