Peter Mayer Tischer defeated Matteo Galli 6-1 1-6 6-4 in the Italy 4 4 round of 32 on clay. The upset overturned the form book — Matteo Galli came in leading the head-to-head 1–0. Peter Mayer Tischer claimed a first win over Matteo Galli in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-29 | Italy 6 1 | R32 | clay | Matteo Galli | 1-6 6-2 6-4 |