Zarina Diyas defeated Jessica Pegula 6-7 7-6 6-4 in the Cincinnati qualifying round 2 on hard. The upset overturned the form book — Jessica Pegula came in ranked #3. Zarina Diyas extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-12 | Cincinnati | R64 | hard | Zarina Diyas | 7-5 6-4 |
| 2019-03-04 | Indian Wells | R128 | hard | Jessica Pegula | 6-1 6-1 |
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 (155 vs 200). ATP, WTA & Challenger.