Margarita Lazareva defeated Seda Arantekin 6-7 6-1 6-2 in the Erzincan 10K round of 16 on hard. The upset overturned the form book — Seda Arantekin came in leading the head-to-head 1–0, but Margarita Lazareva had been the form player, winning 1 of their last 4 on hard. Margarita Lazareva claimed a first win over Seda Arantekin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-04 | Agri 10K | QF | carpet | Seda Arantekin | 5-7 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.