Michael Quintero defeated Sebastian Quintero 4-6 6-4 6-3 in the Colombia F2 qualifying round on clay. The result followed the form book — Michael Quintero came in leading the head-to-head 5–0. Michael Quintero extended the head-to-head to 6–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-05 | Ecuador F3 | R32 | clay | Michael Quintero | 6-3 6-4 |
| 2005-05-02 | Venezuela 1 Satellite 4 | R32 | hard | Michael Quintero | 6-2 6-1 |
| 2005-01-24 | Colombia F1 | R32 | hard | Michael Quintero | 6-1 |
| 2003-10-06 | Colombia F1 | R16 | clay | Michael Quintero | 6-4 6-2 |
| 2001-10-15 | Colombia F1 | SF | clay | Michael Quintero | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.