| Exo-Tennis USA | 2020/05/14 18:50 | Kevin King v William Blumberg | 7-5,6-4 |
| Exo-Tennis USA | 2020/05/14 15:25 | Korey Lovett v William Blumberg | 1-6,1-6 |
| ITF M15 Tallahassee | 2019/12/05 16:50 | William Blumberg v Guy Orly Iradukunda | 6-2,6-7,4-6 |
| ITF M15 Tallahassee | 2019/12/03 19:00 | Reese Stalder v William Blumberg | 2-6,4-6 |
| Challenger Champaign | 2019/11/12 17:35 | William Blumberg v Evan Song | 4-6,5-7 |
| Challenger Champaign | 2019/11/11 16:00 | Chris Wettengel v William Blumberg | 2-6,2-6 |
| Challenger Dallas | 2019/02/04 18:35 | William Blumberg v Vincent Millot | 4-6,5-7 |
| Challenger Stockton | 2018/10/04 16:30 | William Blumberg v Noah Rubin | 1-6,6-4,4-6 |
| Exo-Tennis USA | 2020/05/14 20:20 | Donald Young v Nathan Pasha | 6-4,6-1 |
| Exo-Tennis USA | 2020/05/14 17:35 | Trent Bryde v Donald Young | 6-2,6-1 |
| Challenger Monterrey | 2020/03/04 02:35 | Pablo Andujar v Donald Young | 6-3,6-1 |
| Challenger Monterrey | 2020/03/02 21:10 | Matias Franco Descotte v Donald Young | 5-7,3-6 |
| Challenger Columbus | 2020/02/25 16:40 | Donald Young v Zhe Li | 5-7,6-7 |
| Challenger Cleveland | 2020/02/11 20:30 | Donald Young v Sebastian Korda | 3-6,2-6 |
| Challenger Cleveland | 2020/02/11 00:30 | Donald Young v Roberto Ortega-Olmedo | 6-4,3-6,6-3 |
| Challenger Dallas | 2020/02/06 03:30 | Mackenzie McDonald v Donald Young | 6-4,1-6,6-4 |