By surface
| Surface | Jack Sock | Donald Young |
|---|---|---|
| Hard | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-02-20 | ATP | Delray Beach | Semifinal | Hard | Jack Sock | 6-4 | 7-62 | |||
| 2016-07-25 | ATP | Canada Masters | Round of 32 | Hard | Jack Sock | 6-4 | 6-3 | |||
| 2015-10-26 | ATP | Basel | Quarterfinal | Hard | Jack Sock | 5-7 | 6-4 | 6-2 |