Head to head
1
Hard
1
0
Clay
1
Stefan Koubek's wins on the left · James Blake's on the right · bar lengths share one scale
All meetings (3)
| 2008 | Davis Cup WG R1: AUT vs USA | Clay | RR | James Blake | 5-7 7-5 6-2 6-2 |
| 2007 | US Open | Hard | R32 | James Blake | 6-4 3-6 7-6(5) 6-1 |
| 2002 | Australian Open | Hard | R64 | Stefan Koubek | 4-6 2-6 6-4 6-1 6-2 |
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.