Martin Stepanek defeated Petr Kralert 6-2 7-6 in the Czech Republic Masters 1 round of 32 on hard. The upset overturned the form book — Petr Kralert came in leading the head-to-head 3–0. Martin Stepanek claimed a first win over Petr Kralert in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-01-20 | Germany F1C | R32 | carpet | Petr Kralert | 7-6(3) 6-1 |
| 1999-05-31 | Germany F4B | R32 | clay | Petr Kralert | 6-2 6-1 |
| 1998-08-15 | Slovak Republic Masters 1 | F | clay | Petr Kralert | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.