Daniel Fiala defeated Borut Martincevic 6-4 6-2 in the Yugoslavia 1 Masters 1 round of 16 on clay. The upset overturned the form book — Borut Martincevic came in leading the head-to-head 1–0. Daniel Fiala claimed a first win over Borut Martincevic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-03 | Yugoslavia 1 Masters 4 | R32 | clay | Borut Martincevic | 6-4 1-6 7-5 |