Bastian Knittel defeated Andreas Haider Maurer 6-7 6-4 7-6 in the Austria F4 round of 32 on clay. The upset overturned the form book — Andreas Haider Maurer came in leading the head-to-head 3–1, but Bastian Knittel had been the form player, winning 4 of their last 4 on clay. Bastian Knittel narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-29 | Italy F3 | SF | clay | Andreas Haider Maurer | 6-3 7-6(2) |
| 2010-03-22 | Italy F2 | R32 | clay | Andreas Haider Maurer | 5-7 7-5 6-3 |
| 2009-09-21 | Bosnia & Herzegovina F5 | SF | clay | Bastian Knittel | 7-5 4-6 7-6(2) |
| 2009-06-29 | France F10 | QF | clay | Andreas Haider Maurer | 5-7 6-1 6-3 |
Averages over each player's completed matches in the selected window (5 vs 200). 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. About