Tuna Altuna defeated Gokberk Ergeneman 6-3 6-2 in the Turkey F29 round of 32 on hard. The upset overturned the form book — Gokberk Ergeneman came in leading the head-to-head 1–0. Tuna Altuna claimed a first win over Gokberk Ergeneman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-23 | Turkey F29 | R32 | clay | Gokberk Ergeneman | 1-6 7-6(6) |
Averages over each player's completed matches in the selected window (2 vs 12). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About