Polona Hercog defeated Shuai Zhang 6-2 6-2 in the Marrakech round of 32 on clay. The upset overturned the form book — Shuai Zhang came in ranked #54. Polona Hercog extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-09-24 | Wuhan | R32 | hard | Shuai Zhang | 6-2 7-5 |
| 2014-04-21 | Marrakech | R32 | clay | Polona Hercog | 6-2 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
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 clay field, opponent-adjusted over 52 weeks). About