Jakub Hasek defeated Benjamin Balleret 6-4 2-6 6-0 in the Turkey 2 4 qualifying round on hard. The upset overturned the form book — Benjamin Balleret came in leading the head-to-head 1–0. Jakub Hasek claimed a first win over Benjamin Balleret in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-16 | Turkey 2 2 | R16 | hard | Benjamin Balleret | 6-7(2) 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.