Head to head
1
Hard
1
1
Clay
2
1
Carpet
3
Stefan Koubek's wins on the left · Ivan Ljubicic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2007 | Doha | Hard | R32 | Ivan Ljubicic | 6-4 6-4 |
| 2007 | Madrid Masters | Hard | R32 | Stefan Koubek | 6-3 6-7(2) 7-5 |
| 2007 | Zagreb | Carpet | R16 | Ivan Ljubicic | 7-6(6) 6-7(5) 6-4 |
| 2006 | Davis Cup WG R1: AUT vs CRO | Clay | RR | Ivan Ljubicic | 6-2 6-2 6-4 |
| 2006 | Zagreb | Carpet | F | Ivan Ljubicic | 6-3 6-4 |
| 2004 | Basel | Carpet | QF | Stefan Koubek | 2-6 7-5 7-5 |
| 2004 | Roland Garros | Clay | R64 | Stefan Koubek | 6-0 1-6 6-4 6-2 |
| 2002 | Gstaad | Clay | R16 | Ivan Ljubicic | 6-4 6-4 |
| 2001 | Davis Cup G1 QF: CRO vs AUT | Carpet | RR | Ivan Ljubicic | 5-7 6-3 7-6(3) 6-3 |
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.