Diego Cristin defeated Matias Oneille 7-6 7-6 in the Uruguay 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 |
|---|---|---|---|---|---|
| 2003-10-20 | Argentina F4 | R32 | clay | Diego Cristin | 7-6(2) 6-3 |