Shuai Zhang defeated Anastasija Sevastova 6-4 7-5 in the Estoril q32 on clay. The upset overturned the form book — Anastasija Sevastova came in leading the head-to-head 4–1, defending last year's round of 32. Shuai Zhang narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-05 | Toronto | R64 | hard | Shuai Zhang | 7-6 6-2 |
| 2018-11-01 | Zhuhai | RR | hard | Anastasija Sevastova | 6-0 7-6(10) |
| 2018-10-29 | Zhuhai | R16 | hard | Anastasija Sevastova | 6-0 7-6 |
| 2017-05-08 | Madrid | R64 | clay | Anastasija Sevastova | 6-2 6-4 |
| 2015-07-06 | Bursa $50K | QF | clay | Anastasija Sevastova | 6-1 6-1 |
Averages over each player's completed matches in the selected window (200 vs 197). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zhang S.: 3 days rest · 1 match, 24 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About