Patricio Rudi defeated Diego Cristin 6-2 6-4 in the Uruguay F1 round of 32 on clay. The upset overturned the form book — Diego Cristin came in leading the head-to-head 1–0, but Patricio Rudi had been the form player, winning 3 of their last 10 on clay. Patricio Rudi claimed a first win over Diego Cristin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-22 | Argentina F7 | R32 | clay | Diego Cristin | 6-4 6-2 |