By surface
| Surface | John Isner | Donald Young |
|---|---|---|
| Hard | 3 | 1 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-02-13 | ATP | Memphis | Quarterfinal | Hard | Donald Young | 6-75 | 6-3 | 6-76 | ||
| 2014-03-19 | ATP | Miami Masters | Round of 64 | Hard | John Isner | 6-75 | 6-3 | 6-4 | ||
| 2012-02-20 | ATP | Memphis | Round of 16 | Hard | John Isner | 7-63 | 6-4 | |||
| 2008-08-10 | ATP | Washington | Round of 16 | Hard | John Isner | 6-4 | 7-64 |