Rainer Marzenell defeated Ruben Alvarenga 5-7 6-4 6-3 in the Bolivia Chile Masters 3 round of 16 on clay. The result followed the form book — Rainer Marzenell came in leading the head-to-head 1–0. Rainer Marzenell extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-10-09 | Chile 2 Masters 1 | R32 | clay | Rainer Marzenell | 6-3 6-1 |