Milan Trneny defeated Boris Borgula 4-6 6-0 6-3 in the Slovak Republic Masters 4 round of 32 on clay. The upset overturned the form book — Boris Borgula came in leading the head-to-head 1–0. Milan Trneny claimed a first win over Boris Borgula in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-18 | Slovak Republic Masters 1 | R32 | clay | Boris Borgula | 6-3 6-7 6-3 |