Michael Logarzo defeated Nikola Gnjatovic 7-5 6-2 in the Yugoslavia 2 Masters 4 round of 16 on clay. The upset overturned the form book — Nikola Gnjatovic came in leading the head-to-head 1–0, but Michael Logarzo had been the form player, winning 1 of their last 4 on clay. Michael Logarzo claimed a first win over Nikola Gnjatovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-09 | Yugoslavia 2 Masters 2 | R32 | clay | Nikola Gnjatovic | 4-6 7-5 6-4 |