Olga Barabanschikova defeated Anna Chakvetadze 1-6 6-1 6-2 in the St Petersburg 50K qualifying round on hard. The upset overturned the form book — Anna Chakvetadze came in leading the head-to-head 1–0. Olga Barabanschikova claimed a first win over Anna Chakvetadze in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-02-09 | Sunderland 1 25K | QF | hard | Anna Chakvetadze | 6-4 1-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.