Barkin Yalcinkale defeated Kalle Averfalk 4-6 6-0 6-1 in the Turkey F16 q16 on hard. The upset overturned the form book — Kalle Averfalk came in leading the head-to-head 1–0. Barkin Yalcinkale claimed a first win over Kalle Averfalk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-15 | Turkey F15 | Q64 | hard | Kalle Averfalk | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.