Head to head
1
Hard
1
1
Clay
0
Ivo Karlovic's wins on the left · Florent Serra's on the right · bar lengths share one scale
All meetings (3)
| 2009 | Basel | Hard | R32 | Florent Serra | 7-6(5) 6-4 |
| 2009 | Monte Carlo Masters | Clay | R64 | Ivo Karlovic | 6-4 6-4 |
| 2008 | US Open | Hard | R64 | Ivo Karlovic | 7-6(5) 6-4 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.