Juan Felipe Yanez defeated Marko Neunteibl 3-6 6-3 7-5 in the Chile 1 1 semi-final on clay. The upset overturned the form book — Marko Neunteibl came in leading the head-to-head 2–0. Juan Felipe Yanez claimed a first win over Marko Neunteibl in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-08 | Chile F3 | SF | clay | Marko Neunteibl | 6-4 5-7 7-6(4) |
| 2003-04-07 | Chile F1 | QF | clay | Marko Neunteibl | 6-4 6-3 |