Head to head
0
Hard
1
1
Clay
1
Jack Sock's wins on the left · Nicolas Almagro's on the right · bar lengths share one scale
All meetings (3)
| 2014 | Roland Garros | Clay | R128 | Jack Sock | 5-0 RET |
| 2014 | Houston | Clay | QF | Nicolas Almagro | 6-2 6-4 |
| 2012 | US Open | Hard | R32 | Nicolas Almagro | 7-6(3) 6-7(4) 7-6(2) 6-1 |
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.