Michael Lammer defeated Marko Tkalec 6-4 6-4 in the Germany F1 round of 16 on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 1–0. Michael Lammer claimed a first win over Marko Tkalec in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-21 | Basel | Q16 | hard | Marko Tkalec | 6-3 6-7(6) 6-4 |
Averages over each player's completed matches in the selected window (31 vs 1). 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. Small sample — read as indicative. About