Anastasia Grymalska defeated Sina Haas 6-1 7-6 in the Hechingen 25K round of 16 on clay. The result followed the form book — Anastasia Grymalska came in leading the head-to-head 1–0. Anastasia Grymalska extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-04 | Pomezia 10K | R32 | clay | Anastasia Grymalska | 2-6 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.