Alona Bondarenko defeated Anna Bielen Zarska 6-1 6-7 6-4 in the Kedzierzyn-Kozle 10K round of 16 on clay. The upset overturned the form book — Anna Bielen Zarska came in leading the head-to-head 1–0. Alona Bondarenko claimed a first win over Anna Bielen Zarska in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-31 | Kedzierzyn-Kozle 10K | R32 | clay | Anna Bielen Zarska | 1-6 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.