Thiago Alves defeated Francisco Costa 7-5 4-6 6-3 in the Brazil F10 qualifying round on clay. The upset overturned the form book — Francisco Costa came in leading the head-to-head 3–0. Thiago Alves claimed a first win over Francisco Costa in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-25 | Brazil F11 | F | hard | Francisco Costa | 6-2 6-3 |
| 2004-10-04 | Brazil F9 | F | clay | Francisco Costa | 6-4 3-6 6-4 |
| 2003-02-17 | Brazil F2 | QF | hard | Francisco Costa | 6-1 4-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.