Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| Challenger Winnetka | 2018/07/10 20:55 | Darian King v Donald Young | 6-3,5-7,6-1 |
| ITF - M15 Vero Beach | 2021/10/20 23:35 | Donald Young v Jack Anthrop | 6-2,7-5 |
| Challenger - Columbus | 2021/09/19 17:35 | Evan King v Donald Young | 7-5,4-6,6-4 |
| Challenger - Cary | 2021/09/13 23:25 | Donald Young v Denis Kudla | 6-7,6-4,2-6 |
| ATP - Winston-Salem | 2021/08/21 19:45 | Donald Young v Tung-Lin Wu | 0-6,0-6 |
| ATP - Atlanta | 2021/07/24 15:50 | Peter Gojowczyk v Donald Young | 6-4,6-1 |
| Challenger - Cary | 2021/07/19 23:00 | Stefan Kozlov v Donald Young | 4-6,6-4,6-4 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 16:30 | Mac Kiger v Donald Young | 7-6,2-6,0-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/06 13:30 | Andrew Rogers v Donald Young | 1-6,6-4,7-6 |
| ATP - San Diego | 2021/09/26 20:05 | Darian King v Christopher Eubanks | 6-7,5-7 |
| ATP - San Diego | 2021/09/26 01:30 | Lucas Gomez v Darian King | 2-6,6-3,1-6 |
| Challenger - Columbus | 2021/09/21 18:40 | Gijs Brouwer v Darian King | 7-6,6-0 |
| Davis Cup | 2021/09/18 16:45 | Darian King v Justin Barki | 6-2,6-4 |
| ATP - Winston-Salem | 2021/08/21 20:40 | Lucas Pouille v Darian King | 6-7,6-4,6-4 |
| Challenger - Lexington | 2021/07/30 20:00 | Ernesto Escobedo v Darian King | 7-5,6-0 |
| Challenger - Lexington | 2021/07/29 01:05 | Darian King v Maxime Cressy | 4-6,7-6,6-2 |
| Challenger - Lexington | 2021/07/27 18:00 | Darian King v Roberto Quiroz | 6-4,6-1 |