Guillermo Bujniewicz defeated Roger Lema 7-5 7-6 in the Bolivia F1 round of 32 on clay. The result followed the form book — Guillermo Bujniewicz came in leading the head-to-head 1–0. Guillermo Bujniewicz extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-25 | Bolivia F3 | R32 | clay | Guillermo Bujniewicz | 6-1 6-0 |