Head to head
0
Hard
3
1
Grass
0
Kenneth Carlsen's wins on the left · James Blake's on the right · bar lengths share one scale
All meetings (4)
| 2006 | Las Vegas | Hard | QF | James Blake | 6-4 6-4 |
| 2005 | Miami Masters | Hard | R128 | James Blake | 6-3 6-2 |
| 2005 | Scottsdale | Hard | R32 | James Blake | 7-6(9) 7-5 |
| 1999 | Newport | Grass | R16 | Kenneth Carlsen | 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.