Anna Koval defeated Julia Valetova 6-1 6-2 in the Tampere 10K round of 16 on clay. The upset overturned the form book — Julia Valetova came in leading the head-to-head 1–0. Anna Koval claimed a first win over Julia Valetova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Savitaipale 10K | R16 | clay | Julia Valetova | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.