Rui Machado defeated Petar Popovic 6-1 1-6 6-4 in the Portugal 1 Satellite 4 qualifying round on clay. The upset overturned the form book — Petar Popovic came in leading the head-to-head 1–0. Rui Machado claimed a first win over Petar Popovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Portugal 1 Satellite 1 | SF | clay | Petar Popovic | 6-0 4-6 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.