Ivan Beros defeated Michael Lammer 1-6 7-6 7-6 in the Switzerland Satellite 3 qualifying round on clay. The upset overturned the form book — Michael Lammer came in leading the head-to-head 1–0. Ivan Beros claimed a first win over Michael Lammer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | Switzerland Satellite 2 | SF | clay | Michael Lammer | 6-3 2-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.