Head to head
1
Hard
0
2
Clay
1
0
Grass
1
Nicolas Massu's wins on the left · Andy Roddick's on the right · bar lengths share one scale
All meetings (5)
| 2011 | Davis Cup WG R1: CHI vs USA | Clay | RR | Andy Roddick | 6-2 4-6 6-3 6-4 |
| 2006 | World Team Championship | Clay | RR | Nicolas Massu | 4-2 RET |
| 2006 | Davis Cup WG QF: USA vs CHI | Grass | RR | Andy Roddick | 6-3 7-6(5) 7-6(5) |
| 2005 | Hamburg Masters | Clay | R64 | Nicolas Massu | 7-6(4) 4-6 7-5 |
| 2003 | Madrid Masters | Hard | R16 | Nicolas Massu | 7-6(3) 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.