Head to head
1
Hard
1
1
Clay
0
0
Grass
1
Mariano Zabaleta's wins on the left · James Blake's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Houston | Clay | SF | Mariano Zabaleta | 7-5 7-6(7) |
| 2003 | US Open | Hard | R128 | James Blake | 7-6(4) 6-3 6-2 |
| 2003 | Scottsdale | Hard | QF | Mariano Zabaleta | 3-6 6-4 6-4 |
| 2002 | Wimbledon | Grass | R128 | James Blake | 6-2 6-2 RET |
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.