Herbert Wiltschnig defeated Matteo Viola 6-4 7-6 in the Croatia F3 semi-final on clay. Herbert Wiltschnig extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-24 | Austria F8 | R16 | clay | Matteo Viola | 6-3 4-6 6-3 |
| 2005-03-07 | Croatia 1 3 | R32 | clay | Herbert Wiltschnig | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.