Ivan Cerovic defeated Thomas Oger 7-6 7-5 in the Turkey F4 round of 16 on hard. The upset overturned the form book — Thomas Oger came in leading the head-to-head 1–0. Ivan Cerovic claimed a first win over Thomas Oger in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-20 | Turkey F6 | R16 | hard | Thomas Oger | 3-6 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.