Head to head
1
Hard
2
1
Clay
0
0
Grass
1
Jack Sock's wins on the left · Kevin Anderson's on the right · bar lengths share one scale
All meetings (5)
| 2021 | Newport | Grass | QF | Kevin Anderson | 6-7(5) 6-2 6-4 |
| 2017 | Washington | Hard | SF | Kevin Anderson | 6-3 6-4 |
| 2016 | Auckland | Hard | QF | Jack Sock | 1-6 6-4 6-4 |
| 2015 | Cincinnati Masters | Hard | R32 | Kevin Anderson | 6-3 7-6(7) |
| 2015 | Houston | Clay | SF | Jack Sock | 7-6(3) 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.