Radek Stepanek defeated Ivo Karlovic 6-2 7-5 in the Stuttgart round of 16 on grass. Radek Stepanek extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-20 | Bogota | QF | hard | Ivo Karlovic | 3-6 7-6(7) 6-4 |
| 2014-07-14 | Bogota | SF | hard | Ivo Karlovic | 6-4 3-6 6-4 |
| 2014-04-13 | Monte Carlo Masters | R64 | clay | Radek Stepanek | 6-1 6-2 |
| 2010-01-18 | Australian Open | R128 | hard | Ivo Karlovic | 2-6 7-6(5) 6-4 3-6 6-4 |
| 2009-09-18 | Davis Cup WG SF: CRO vs CZE | RR | clay | Radek Stepanek | 6-7(5) 7-6(5) 7-6(6) 6-7(2) 16-14 |
| 2005-01-31 | Milan | R16 | carpet | Radek Stepanek | 7-6(7) 4-6 7-6(5) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About