Marco Mirnegg defeated Konstantin Don Gruber 1-6 6-3 6-0 in the Croatia 1 3 round of 16 on clay. Marco Mirnegg extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-06 | Hungary F4 | SF | clay | Marco Mirnegg | 7-6(2) 6-2 |
| 2004-03-08 | Croatia 1 1 | QF | clay | Konstantin Don Gruber | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window (1 vs 1). 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. Small sample — read as indicative. About