Karol Beck defeated Boris Borgula 1-6 7-5 6-0 in the Slovak Rep F1 round of 32 on clay. The upset overturned the form book — Boris Borgula came in leading the head-to-head 1–0. Karol Beck claimed a first win over Boris Borgula in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-16 | Slovak Republic Masters 1 | R32 | clay | Boris Borgula | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.