Marcos Daniel defeated Diego Cubas 7-5 6-4 in the Brazil F6 qualifying round on clay. The result followed the form book — Marcos Daniel came in leading the head-to-head 1–0. Marcos Daniel extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-25 | Brazil F5 | R16 | hard | Marcos Daniel | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.