Estadio: Stadium Round: 45 Ground: Hardcourt outdoor
| ITF EE. UU. F19B | 2018/07/19 17:00 | Lloyd Glasspool v Danny Thomas | 7-6,7-6 |
| ITF EE. UU. F19B | 2018/07/18 15:00 | Alexander Lebedev v Danny Thomas | 5-7,2-6 |
| Challenger de Winnetka | 2018/07/09 17:00 | Danny Thomas v Dayne Kelly | 6-4,3-6,5-7 |
| ITF EE. UU. F17 | 2018/06/26 16:45 | Danny Thomas v Marc-Andrea Huesler | 7-5,5-7,6-7 |
| ITF EE. UU. F15 | 2018/06/19 14:00 | Danny Thomas v Karue Sell | 6-3,6-7,6-7 |
| ITF EE. UU. F13 - Clasificación | 2018/06/09 15:30 | Danny Thomas v Christian Seraphim | 6-7,4-6 |
| Challenger de Savannah - Clasificación | 2018/04/29 16:55 | Karue Sell v Danny Thomas | 6-3,6-1 |
| Challenger de Savannah - Clasificación | 2018/04/28 17:45 | Alex Lawson v Danny Thomas | 4-6,0-6 |
| ATP Atlanta | 2018/07/26 16:00 | Matthew Ebden v Donald Young | 6-4,6-4 |
| ATP Atlanta | 2018/07/23 23:00 | Ivo Karlovic v Donald Young | 6-2,6-7,6-7 |
| ATP Newport | 2018/07/16 16:20 | Donald Young v Vasek Pospisil | 6-7,1-6 |
| Challenger de Winnetka | 2018/07/10 20:55 | Darian King v Donald Young | 6-3,5-7,6-1 |
| Wimbledon - Clasificación | 2018/06/26 17:25 | Dennis Novak v Donald Young | 6-2,7-5 |
| Wimbledon - Clasificación | 2018/06/25 14:35 | Max Purcell v Donald Young | 3-6,2-6 |
| Challenger de Ilkley | 2018/06/19 11:30 | Donald Young v Jason Kubler | 4-6,6-7 |
| ATP Den Bosch - Clasificación | 2018/06/09 10:15 | Donald Young v Miliaan Niesten | 4-6,2-6 |