Jaroslav Pospisil defeated Jakub Hasek 6-4 6-4 in the Czech Rep F5 round of 32 on carpet. The upset overturned the form book — Jakub Hasek came in leading the head-to-head 2–0. Jaroslav Pospisil claimed a first win over Jakub Hasek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-18 | Germany F6 | QF | clay | Jakub Hasek | 6-1 6-0 |
| 2006-02-27 | Poland F2 | QF | hard | Jakub Hasek | 7-6(2) 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.