Tobias Simon defeated Johannes Haerteis 4-6 6-4 6-4 in the Germany F13 round of 32 on clay. The upset overturned the form book — Johannes Haerteis came in leading the head-to-head 2–0. Tobias Simon claimed a first win over Johannes Haerteis in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-18 | Germany F2 | R16 | carpet | Johannes Haerteis | 3-6 6-3 7-6(7) |
| 2015-06-15 | Slovenia F3 | R32 | clay | Johannes Haerteis | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window (200 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