Sebastian Linda defeated Michael Lammer 7-6 7-5 in the Switzerland 2 3 qualifying round on clay. The upset overturned the form book — Michael Lammer came in leading the head-to-head 1–0. Sebastian Linda claimed a first win over Michael Lammer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-25 | Switzerland 2 2 | R16 | clay | Michael Lammer | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.