| Exo-Tennis USA | 2020/05/14 16:20 | Christopher Eubanks v Kevin King | 5-7,2-6 |
| Challenger Monterrey | 2020/03/06 19:10 | Kevin King v Aleksandar Vukic | 0-6,3-6 |
| Challenger Monterrey | 2020/03/05 20:30 | Guilherme Clezar v Kevin King | 6-7,6-4,4-6 |
| Challenger Monterrey | 2020/03/04 20:40 | Kevin King v Brayden Schnur | 6-4,6-7,7-5 |
| Challenger Monterrey | 2020/03/02 22:55 | Kevin King v Goncalo Oliveira | 6-1,6-2 |
| Challenger Columbus | 2020/02/26 16:55 | Mikael Torpegaard v Kevin King | 6-7,6-4,6-4 |
| Challenger Columbus | 2020/02/25 15:00 | Carlos Gomez-Herrera v Kevin King | 3-6,3-6 |
| Challenger Morelos | 2020/02/18 17:30 | Kevin King v Sebastian Ofner | 6-7,3-6 |
| 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 |
| Challenger Stockton | 2018/10/02 17:00 | William Blumberg v JC Aragone | 3-6,6-2,6-2 |