Danielle Collins defeated Jelena Ostapenko 2-6 6-3 6-4 in the San Diego round of 16 on hard. The upset overturned the form book — Jelena Ostapenko came in ranked #29, leading the head-to-head 2–1. Danielle Collins narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-31 | Charleston | R16 | clay | Danielle Collins | 7-5 6-3 |
| 2023-02-06 | Abu Dhabi | R32 | hard | Jelena Ostapenko | 7-5 1-6 7-5 |
| 2018-03-19 | Miami | SF | hard | Jelena Ostapenko | 7-6(1) 6-3 |
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 (126 vs 163). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Ostapenko J.: 10 days rest · 3 matches (14d). Higher means fresher. About