Adrian Sikora defeated Maximilian Marterer 6-4 6-4 in the Germany F18 round of 32 on hard. The upset overturned the form book — Maximilian Marterer came in leading the head-to-head 2–1. Adrian Sikora narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-25 | Germany F3 | R32 | carpet | Maximilian Marterer | 6-3 6-4 |
| 2014-06-23 | Poland F4 | SF | clay | Maximilian Marterer | 6-2 6-4 |
| 2013-10-14 | Germany F19 | F | hard | Adrian Sikora | 6-7(5) 6-4 6-1 |
Averages over each player's completed matches in the selected window (37 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