Peter Clarke defeated Nicolas Todero 6-3 6-4 in the USA F6 round of 16 on hard. The upset overturned the form book — Nicolas Todero came in leading the head-to-head 1–0. Peter Clarke claimed a first win over Nicolas Todero in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-03-31 | USA F7 | SF | hard | Nicolas Todero | 6-4 3-6 6-4 |