
Camila Osorio defeated Ann Li 1-6 6-3 6-1 in the US Open round of 128 on hard. The upset overturned the form book — Ann Li came in ranked #29, leading the head-to-head 3–1, defending last year's round of 128. Camila Osorio narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-01-19 | Australian Open | R128 | hard | Ann Li | 6-4 6-7(5) 7-5 |
| 2025-10-20 | Guangzhou | R16 | hard | Ann Li | 7-5 6-2 |
| 2025-09-24 | Beijing | R128 | hard | Camila Osorio | 7-5 6-7(5) 7-5 |
| 2021-10-18 | Tenerife | F | hard | Ann Li | 6-1 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 175). ATP, WTA & Challenger.