Jan Hernych defeated Martin Bartonek 7-6 6-2 in the Czech Republic Masters 2 round of 16 on hard. The upset overturned the form book — Martin Bartonek came in leading the head-to-head 1–0. Jan Hernych claimed a first win over Martin Bartonek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-20 | Czech Republic Masters 2 | R32 | carpet | Martin Bartonek | 7-6 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.