Tereza Martincova defeated Jessica Pegula 6-3 7-6 in the Quebec City quarter-final on hard. The upset overturned the form book — Jessica Pegula came in ranked #3, leading the head-to-head 1–0, defending last year's round of 16. Tereza Martincova claimed a first win over Jessica Pegula in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | R64 | clay | Jessica Pegula | 6-3 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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Pegula J.: 6 days rest · 1 match, 28 games (7d). Higher means fresher. About