Diego Hartfield defeated Lucas Engel 7-6 6-1 in the Colombia F4 semi-final on clay. Diego Hartfield extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-11 | Colombia F4 | R32 | clay | Lucas Engel | 7-6(9) 3-6 7-6(5) |
| 2001-06-25 | Brazil F5 | R16 | clay | Diego Hartfield | 7-6(2) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.