Walter Grinovero defeated Ricardo Schlachter 6-1 6-3 in the Uruguay F1 final on clay. The upset overturned the form book — Ricardo Schlachter came in leading the head-to-head 1–0. Walter Grinovero claimed a first win over Ricardo Schlachter in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-26 | Uruguay F2 | R16 | clay | Ricardo Schlachter | 1-6 7-5 6-4 |