Jasmin Steinherr defeated Melis Sezer 6-2 2-6 6-4 in the Mytilini 10K round of 32 on hard. The upset overturned the form book — Melis Sezer came in leading the head-to-head 2–0. Jasmin Steinherr claimed a first win over Melis Sezer in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-04 | Sharm El Sheikh 10K | R16 | hard | Melis Sezer | 6-2 6-1 |
| 2011-05-16 | Izmir 25K | R32 | hard | Melis Sezer | 7-5 4-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.