

Jelena Ostapenko defeated Coco Gauff 7-5 6-3 in the Australian Open round of 16 on hard. The upset overturned the form book — Coco Gauff came in ranked #7, leading the head-to-head 2–0, defending last year's round of 128. Jelena Ostapenko claimed a first win over Coco Gauff in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-28 | US Open | QF | hard | Coco Gauff | 6-0 6-2 |
| 2019-10-07 | Linz | F | hard | Coco Gauff | 6-3 1-6 6-2 |
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 (163 vs 200). 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.: 8 days rest · 3 matches (14d) · Gauff C.: 2 days rest · 3 matches, 85 games (7d). Higher means fresher. About