Boris Borgula defeated Alberto Banus Sado 6-1 6-3 in the Yugoslavia F8 round of 16 on clay. The upset overturned the form book — Alberto Banus Sado came in leading the head-to-head 1–0. Boris Borgula claimed a first win over Alberto Banus Sado in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-21 | Hungary F2 | R32 | clay | Alberto Banus Sado | 1-0 |