Michael Lammer defeated Bastian Knittel 6-3 6-4 in the Germany F6 round of 32 on clay. The upset overturned the form book — Bastian Knittel came in leading the head-to-head 2–1. Michael Lammer narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-01-06 | Germany F1 | QF | carpet | Bastian Knittel | 6-3 6-7(4) 6-3 |
| 2013-07-01 | Germany F8 | QF | clay | Bastian Knittel | 6-1 6-2 |
| 2004-01-12 | Germany F2 | R32 | hard | Michael Lammer | 7-5 6-3 |
Averages over each player's completed matches in the selected window (31 vs 5). 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