Head to head
0
Hard
1
1
Clay
3
Nicolas Massu's wins on the left · Nicolas Almagro's on the right · bar lengths share one scale
All meetings (5)
| 2009 | Australian Open | Hard | R128 | Nicolas Almagro | 6-4 6-4 3-6 5-7 6-3 |
| 2008 | Acapulco | Clay | QF | Nicolas Almagro | 4-6 6-3 6-3 |
| 2008 | Costa do Sauipe | Clay | R32 | Nicolas Almagro | 6-3 6-2 |
| 2006 | Rome Masters | Clay | R64 | Nicolas Almagro | 7-5 6-4 |
| 2006 | Costa do Sauipe | Clay | QF | Nicolas Massu | 7-6(4) 6-3 |
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.