Michael Lammer defeated Agustin Garizzio 6-3 6-0 in the Switzerland 2 4 round of 16 on clay. The upset overturned the form book — Agustin Garizzio came in leading the head-to-head 1–0. Michael Lammer claimed a first win over Agustin Garizzio in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-08-28 | Switzerland Satellite 4 | SF | clay | Agustin Garizzio | 7-6(4) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.