Diego Cristin defeated Leonardo Kirche 6-3 6-3 in the Colombia F1 round of 16 on clay. The result followed the form book — Diego Cristin came in leading the head-to-head 1–0. Diego Cristin extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-09 | Brazil F14 | QF | clay | Diego Cristin | 6-7(7) 6-0 7-6(8) |