Head to head
0
Hard
1
1
Clay
0
1
Grass
3
Lleyton Hewitt'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)
| 2014 | Newport | Grass | F | Lleyton Hewitt | 6-3 6-7(4) 7-6(3) |
| 2012 | Queen's Club | Grass | R64 | Ivo Karlovic | 6-3 6-2 |
| 2009 | Roland Garros | Clay | R128 | Lleyton Hewitt | 6-7(1) 6-7(4) 7-6(4) 6-4 6-3 |
| 2007 | Tokyo | Hard | QF | Ivo Karlovic | 7-6(5) 7-6(6) |
| 2005 | Queen's Club | Grass | QF | Ivo Karlovic | 7-6(4) 6-3 |
| 2003 | Wimbledon | Grass | R128 | Ivo Karlovic | 1-6 7-6(5) 6-3 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.