Tatiana Panova defeated Olga Barabanschikova 3-6 6-1 6-2 in the Oklahoma round of 32 on hard. The upset overturned the form book — Olga Barabanschikova came in defending last year's round of 32. Tatiana Panova extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-01-06 | Sydney | QF | hard | Tatiana Panova | 6-3 6-2 |
| 1998-11-16 | Pattaya | R32 | hard | Olga Barabanschikova | 6-2 1-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.