Round: 1
| Exo-Tennis Atlanta 2020 | 2020/05/15 16:35 | Blumberg, William v Young, Donald | 1-6,2-6 |
| Exo-Tennis Atlanta 2020 | 2020/05/14 18:50 | King, Kevin v Blumberg, William | 7-5,6-4 |
| Exo-Tennis Atlanta 2020 | 2020/05/14 15:25 | Lovett, Korey v Blumberg, William | 1-6,1-6 |
| ITF M15 Tallahassee | 2019/12/05 16:50 | Blumberg, William v Guy Orly Iradukunda | 6-2,6-7,4-6 |
| ITF M15 Tallahassee | 2019/12/03 19:00 | Stalder, Reese v Blumberg, William | 2-6,4-6 |
| Challenger Champaign | 2019/11/12 17:35 | Blumberg, William v Song, Evan | 4-6,5-7 |
| Challenger Champaign | 2019/11/11 16:00 | Wettengel, Chris v Blumberg, William | 2-6,2-6 |
| Challenger Dallas | 2019/02/04 18:35 | Blumberg, William v Millot, Vincent | 4-6,5-7 |
| Exo-Tennis Atlanta 2020 | 2020/05/16 16:35 | Roelofse, Ruan v Lovett, Korey | 6-0,6-0 |
| Exo-Tennis Atlanta 2020 | 2020/05/15 21:25 | Roelofse, Ruan v Bryde, Trent | 6-2,3-6,10-12 |
| Exo-Tennis Atlanta 2020 | 2020/05/15 17:35 | Roelofse, Ruan v King, Kevin | 1-6,2-6 |
| Exo-Tennis Atlanta 2020 | 2020/05/14 22:35 | Christopher Eubanks v Roelofse, Ruan | 7-6,3-6,10-5 |
| Exo-Tennis Atlanta 2020 | 2020/05/14 21:00 | Christopher Eubanks v Roelofse, Ruan | 0-0 |
| Exo-Tennis Atlanta 2020 | 2020/05/14 14:00 | Pasha, Nathan v Roelofse, Ruan | 6-4,6-2 |
| Coupe Davis | 2020/03/06 14:00 | Damir Dzumhur v Roelofse, Ruan | 7-6,7-5 |
| Challenger Columbus | 2020/02/24 18:30 | Roelofse, Ruan v Aleksandar Kovacevic | 1-6,7-6,6-7 |