Andreas Haider Maurer defeated Johannes Ager 6-1 7-6 in the Austria F5 round of 16 on clay. The upset overturned the form book — Johannes Ager came in leading the head-to-head 2–0. Andreas Haider Maurer claimed a first win over Johannes Ager in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-15 | Italy F1 | SF | hard | Johannes Ager | 3-6 6-3 6-1 |
| 2008-08-25 | Austria F8 | F | clay | Johannes Ager | 6-1 2-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.