Head to head
3
Hard
1
2
Grass
0
Andy Roddick's wins on the left · Ivo Karlovic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2009 | Washington | Hard | QF | Andy Roddick | 7-6(4) 7-6(5) |
| 2009 | Queen's Club | Grass | QF | Andy Roddick | 7-6(4) 7-6(5) |
| 2007 | Washington | Hard | SF | Andy Roddick | 7-6(7) 7-6(5) |
| 2005 | Madrid Masters | Hard | R32 | Ivo Karlovic | 3-6 7-6(7) 7-6(3) |
| 2005 | Washington | Hard | QF | Andy Roddick | 6-7(7) 7-5 6-4 |
| 2005 | Queen's Club | Grass | F | Andy Roddick | 7-6(7) 7-6(4) |
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.