Head to head
1
Hard
0
1
Clay
2
1
Carpet
0
Stefan Koubek's wins on the left · Mikhail Youzhny's on the right · bar lengths share one scale
All meetings (5)
| 2009 | Kitzbuhel | Clay | R16 | Mikhail Youzhny | 6-2 6-4 |
| 2009 | Australian Open | Hard | R128 | Stefan Koubek | 6-3 6-2 6-2 |
| 2007 | Gstaad | Clay | R32 | Stefan Koubek | 6-4 6-3 |
| 2007 | Munich | Clay | R32 | Mikhail Youzhny | 6-4 3-6 6-1 |
| 2003 | Moscow | Carpet | R32 | Stefan Koubek | 7-6(4) 6-0 |
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.