Miloslav Grolmus defeated Tomas Cakl 6-3 6-1 in the Slovak Rep Masters 4 round of 16 on clay. The upset overturned the form book — Tomas Cakl came in leading the head-to-head 1–0. Miloslav Grolmus claimed a first win over Tomas Cakl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-15 | Slovak Republic Masters 3 | R32 | clay | Tomas Cakl | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.