By surface
| Surface | Kei Nishikori | Jack Sock |
|---|---|---|
| Hard | 1 | 2 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-03-06 | ATP | Indian Wells Masters | Quarterfinal | Hard | Jack Sock | 3-6 | 6-2 | 2-6 | ||
| 2014-10-05 | ATP | Shanghai Masters | Round of 32 | Hard | Jack Sock | 6-75 | 4-6 | |||
| 2013-07-29 | ATP | Washington | Round of 32 | Hard | Kei Nishikori | 7-5 | 6-2 |