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