Philipp Oswald defeated Armin Sandbichler 6-4 4-6 6-3 in the Austria F6 semi-final on clay. The upset overturned the form book — Armin Sandbichler came in leading the head-to-head 3–2. Philipp Oswald narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-09 | Austria F5 | QF | clay | Armin Sandbichler | 6-4 1-0 |
| 2006-07-31 | Austria F8 | SF | clay | Armin Sandbichler | 6-2 6-0 |
| 2006-04-03 | Sweden F2 | R32 | carpet | Philipp Oswald | 6-7(4) 7-6(5) 6-4 |
| 2005-10-03 | Venezuela F5 | R16 | hard | Philipp Oswald | 4-6 6-4 7-5 |
| 2005-05-23 | Poland F2 | R32 | clay | Armin Sandbichler | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.