Victor Ionita defeated Jan Mertl 4-6 6-2 6-1 in the Czech Rep F1 round of 16 on clay. The upset overturned the form book — Jan Mertl came in leading the head-to-head 1–0. Victor Ionita claimed a first win over Jan Mertl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-12 | Italy F3 | R32 | hard | Jan Mertl | 7-5 4-6 6-4 |
Averages over each player's completed matches in the selected window (3 vs 128). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About