Margalita Chakhnashvili defeated Nina Bratchikova 6-4 6-2 in the Istanbul 25K round of 16 on hard. The upset overturned the form book — Nina Bratchikova came in leading the head-to-head 1–0. Margalita Chakhnashvili claimed a first win over Nina Bratchikova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-03 | Mont de Marsan 25K | SF | clay | Nina Bratchikova | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.