Todor Enev defeated Rui Machado 6-3 6-3 in the Vietnam F1 round of 32 on hard. The upset overturned the form book — Rui Machado came in leading the head-to-head 2–0, but Todor Enev had been the form player, winning 3 of their last 4 on hard. Todor Enev claimed a first win over Rui Machado in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-02 | Casablanca | Q32 | clay | Rui Machado | 6-1 6-2 |
| 2005-01-24 | Portugal 1 Satellite 3 | F | hard | Rui Machado | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.