Olga Barabanschikova defeated Nathalie Dechy 7-6 2-6 6-1 in the Key Biscayne round of 128 on hard. The upset overturned the form book — Nathalie Dechy came in leading the head-to-head 2–0, defending last year's round of 128. Olga Barabanschikova claimed a first win over Nathalie Dechy in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-18 | Bratislava | QF | hard | Nathalie Dechy | 6-3 6-4 |
| 1998-05-25 | Roland Garros | R128 | clay | Nathalie Dechy | 6-3 1-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.