Goran Tosic defeated Martin Klizan 7-6 4-6 6-1 in the Umag q16 on clay. The upset overturned the form book — Martin Klizan came in leading the head-to-head 1–0, defending last year's round of 32. Goran Tosic claimed a first win over Martin Klizan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-10 | Italy F23 | R16 | clay | Martin Klizan | 6-2 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.