Jelena Ostapenko defeated Annika Beck 6-4 1-6 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Annika Beck came in leading the head-to-head 1–0, defending last year's round of 128. Jelena Ostapenko claimed a first win over Annika Beck in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-14 | Quebec City | F | hard | Annika Beck | 6-2 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 (200 vs 112). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Ostapenko J.: 10 days rest · 3 matches (14d). Higher means fresher. About