Eirini Georgatou defeated Kateryna Kozlova 6-4 6-1 in the Valladolid 25K round of 32 on hard. The upset overturned the form book — Kateryna Kozlova came in leading the head-to-head 1–0. Eirini Georgatou claimed a first win over Kateryna Kozlova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-03 | Kharkiv 25K | R16 | hard | Kateryna Kozlova | 6-7(4) 6-2 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.