Stadium: Cancha La Aficion Round: 25 Ground: Hardcourt outdoor
| Challenger Monterrey | 2020/03/02 20:45 | John-Patrick Smith v Milledge Cossu | 6-1,6-0 |
| ITF M15 Cancun | 2019/05/14 15:25 | Adam El Mihdawy v Milledge Cossu | 6-1,6-0 |
| ITF M15 Cancun | 2019/05/08 15:40 | Milledge Cossu v David Fox | 0-6,1-6 |
| Challenger Leon | 2019/04/23 16:00 | Milledge Cossu v Martin Redlicki | 2-6,2-6 |
| ITF USA F5 | 2017/01/20 19:00 | Nick Chappell v Milledge Cossu | 6-4,6-4 |
| ITF USA F4 | 2017/01/14 18:30 | Naoki Nakagawa v Milledge Cossu | 6-2,6-2 |
| Challenger Knoxville | 2021/11/10 00:35 | Emilio Nava v Donald Young | 6-3,6-2 |
| Challenger Knoxville | 2021/11/08 16:35 | Johannus Monday v Donald Young | 0-6,2-6 |
| Challenger Knoxville | 2021/11/07 20:00 | Alexander Brown v Donald Young | 3-6,6-3,3-6 |
| Challenger Las Vegas | 2021/10/26 22:05 | Donald Young v Tatsuma Ito | 4-6,4-6 |
| Challenger Las Vegas | 2021/10/25 18:00 | Michael Redlicki v Donald Young | 6-7,6-1,6-7 |
| Challenger Las Vegas | 2021/10/24 17:00 | Donald Young v Darian King | 6-3,3-6,6-4 |
| 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 |