Olga Boulytcheva defeated Ekaterina Ivanova 6-3 6-3 in the Surprise AZ 25K round of 16 on hard. The upset overturned the form book — Ekaterina Ivanova came in leading the head-to-head 1–0. Olga Boulytcheva claimed a first win over Ekaterina Ivanova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-26 | Charlottesville VA 50K | R32 | clay | Ekaterina Ivanova | 2-6 6-0 6-3 |