Juan Martin Aranguren defeated Marko Neunteibl 6-2 7-5 in the Chile 1 2 round of 16 on clay. Juan Martin Aranguren extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-25 | Chile F2 | R32 | clay | Juan Martin Aranguren | 3-6 7-6(2) 7-5 |
| 2003-10-06 | Colombia F1 | R32 | clay | Marko Neunteibl | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.