Martin Bartonek defeated Jan Hernych 7-6 4-6 6-3 in the Czech Republic Masters 2 round of 32 on carpet. The upset overturned the form book — Jan Hernych came in leading the head-to-head 1–0. Martin Bartonek claimed a first win over Jan Hernych in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-26 | Czech Republic Masters 2 | R16 | hard | Jan Hernych | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.