Nicolas Kiefer defeated Ivo Karlovic 7-6 7-6 in the Madrid Masters round of 16 on clay. The result followed the form book — Nicolas Kiefer came in leading the head-to-head 3–1. Nicolas Kiefer extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-26 | Paris Masters | R64 | hard | Nicolas Kiefer | 6-4 7-5 |
| 2005-05-23 | Roland Garros | R128 | clay | Nicolas Kiefer | 6-3 6-3 6-4 |
| 2004-07-19 | Indianapolis | R32 | hard | Nicolas Kiefer | 6-0 7-6(0) |
| 2003-09-22 | Shanghai | R16 | carpet | Ivo Karlovic | 6-1 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 (100 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About