Head to head
1
Hard
7
0
Clay
3
0
Grass
3
Ivo Karlovic's wins on the left · Roger Federer's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (14)
| 2015 | Halle | Grass | SF | Roger Federer | 7-6(3) 7-6(4) |
| 2014 | Basel | Hard | SF | Roger Federer | 7-6(8) 3-6 6-3 |
| 2014 | Miami Masters | Hard | R64 | Roger Federer | 6-4 7-6(4) |
| 2012 | Australian Open | Hard | R32 | Roger Federer | 7-6(6) 7-5 6-3 |
| 2009 | Wimbledon | Grass | QF | Roger Federer | 6-3 7-5 7-6(3) |
| 2009 | Rome Masters | Clay | R32 | Roger Federer | 6-4 6-4 |
| 2009 | Indian Wells Masters | Hard | R32 | Roger Federer | 7-6(4) 6-3 |
| 2008 | Cincinnati Masters | Hard | R16 | Ivo Karlovic | 7-6(6) 4-6 7-6(5) |
| 2008 | Rome Masters | Clay | R16 | Roger Federer | 7-6(4) 6-3 |
| 2007 | Paris Masters | Hard | R32 | Roger Federer | 6-3 4-6 6-3 |
| 2007 | Basel | Hard | SF | Roger Federer | 7-6(6) 7-6(5) |
| 2007 | Canada Masters | Hard | R32 | Roger Federer | 7-6(2) 7-6(3) |
| 2004 | Gstaad | Clay | R16 | Roger Federer | 6-7(5) 6-3 7-6(4) |
| 2004 | Wimbledon | Grass | R16 | Roger Federer | 6-3 7-6(3) 7-6(5) |
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.