Head to head
1
Hard
2
0
Clay
1
Nicolas Massu's wins on the left · Francisco Clavet's on the right · bar lengths share one scale
All meetings (4)
| 2001 | Tokyo | Hard | R16 | Francisco Clavet | 6-3 6-4 |
| 2001 | US Open | Hard | R128 | Nicolas Massu | 7-6(13) 6-3 7-5(0) |
| 2001 | Scottsdale | Hard | QF | Francisco Clavet | 6-4 2-6 6-3 |
| 2001 | Vina del Mar | Clay | R32 | Francisco Clavet | 6-3 2-1 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.