Nadejda Guskova defeated Ekaterina Ivanova 2-6 7-5 6-4 in the Kazan 50K round of 32 on hard. The upset overturned the form book — Ekaterina Ivanova came in leading the head-to-head 1–0. Nadejda Guskova claimed a first win over Ekaterina Ivanova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-08-27 | Moscow 50K | R32 | clay | Ekaterina Ivanova | 6-0 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.