Sebastian Decoud defeated Jorge Aguilar 6-1 6-4 in the Chile F5 semi-final on clay. The upset overturned the form book — Jorge Aguilar came in leading the head-to-head 2–1. Sebastian Decoud narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-08 | Bolivia F1 | R32 | clay | Jorge Aguilar | 4-6 6-3 6-4 |
| 2003-08-18 | Argentina F1 | R16 | clay | Jorge Aguilar | 6-1 6-3 |
| 2002-06-24 | Chile F2 | R16 | clay | Sebastian Decoud | 7-5 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.