Seda Arantekin defeated Margarita Lazareva 5-7 6-2 6-1 in the Agri 10K qualifying round on carpet. The upset overturned the form book — Margarita Lazareva came in leading the head-to-head 1–0. Seda Arantekin claimed a first win over Margarita Lazareva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-11 | Erzincan 10K | R16 | hard | Margarita Lazareva | 6-7(4) 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.