Head to head
1
Hard
1
2
Clay
0
James Blake's wins on the left · Agustin Calleri's on the right · bar lengths share one scale
All meetings (4)
| 2008 | Houston | Clay | QF | James Blake | 6-4 6-3 |
| 2007 | New Haven | Hard | R16 | James Blake | 3-6 7-6(2) 6-1 |
| 2007 | World Team Championship | Clay | RR | James Blake | 2-6 6-3 6-4 |
| 2002 | Madrid Masters | Hard | R64 | Agustin Calleri | 6-4 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.