Head to head
3
Hard
5
0
Clay
1
1
Carpet
1
Ivan Ljubicic's wins on the left · Andy Roddick's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2010 | Indian Wells Masters | Hard | F | Ivan Ljubicic | 7-6(3) 7-6(5) |
| 2007 | Indian Wells Masters | Hard | QF | Andy Roddick | 7-6(7) 7-6(8) |
| 2006 | Masters Cup | Hard | RR | Andy Roddick | 6-4 6-7(9) 6-1 |
| 2005 | Paris Masters | Carpet | SF | Ivan Ljubicic | 6-3 7-5 |
| 2005 | Davis Cup WG R1: USA vs CRO | Hard | RR | Ivan Ljubicic | 4-6 6-3 7-6(11) 6-7(7) 6-2 |
| 2004 | Indianapolis | Hard | SF | Andy Roddick | 1-6 7-6(10) 7-6(3) |
| 2003 | US Open | Hard | R64 | Andy Roddick | 6-3 6-7(4) 6-3 7-6(8) |
| 2003 | Cincinnati Masters | Hard | R32 | Andy Roddick | 6-1 6-4 |
| 2003 | Hamburg Masters | Clay | R64 | Andy Roddick | 6-4 6-4 |
| 2002 | Paris Masters | Carpet | R32 | Andy Roddick | 7-6(4) 7-6(3) |
| 2002 | Australian Open | Hard | R64 | Ivan Ljubicic | 7-6(11) 3-2 RET |
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.