Johannes Ager defeated Herbert Wiltschnig 6-3 6-1 in the Iran F4 round of 32 on clay. The result followed the form book — Johannes Ager came in leading the head-to-head 3–1. Johannes Ager extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-12 | Austria F2 | R32 | clay | Johannes Ager | 6-1 6-1 |
| 2003-12-08 | Iran F3 | SF | clay | Johannes Ager | 6-4 6-2 |
| 2003-09-22 | Hungary F4 | R32 | clay | Johannes Ager | 6-4 1-6 6-4 |
| 2002-07-29 | Austria F3 | QF | clay | Herbert Wiltschnig | 6-2 6-7(5) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.