Marius Zay advanced when Victor Ionita retired 1-1 in the Romania F7 round of 32. Marius Zay narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-09 | Romania F15 | QF | clay | Victor Ionita | 1-0 |
| 2004-07-12 | Romania F11 | R32 | clay | Marius Zay | 2-1 |
| 2004-05-31 | Romania F5 | SF | clay | Victor Ionita | 6-3 6-4 |
| 2003-06-23 | Romania F1 | R16 | clay | Victor Ionita | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.