Marius Zay defeated Adrian Ungur 6-3 3-6 6-2 in the Romania F5 qualifying round on clay. The upset overturned the form book — Adrian Ungur came in leading the head-to-head 1–0. Marius Zay claimed a first win over Adrian Ungur in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-12 | Romania F11 | SF | clay | Adrian Ungur | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.