Radek Stepanek defeated Stefan Koubek 6-3 6-2 in the Zagreb round of 32 on hard. Radek Stepanek extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-16 | Memphis | R16 | hard | Radek Stepanek | 6-2 6-4 |
| 2002-10-07 | Vienna | R32 | hard | Radek Stepanek | 6-3 6-7 7-6 |
| 2001-08-20 | Long Island | Q32 | hard | Stefan Koubek | 6-4 2-6 6-3 |
| 1999-05-17 | St. Poelten | R16 | clay | Stefan Koubek | 6-3 3-6 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About