Round: 1
| 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 |
| Challenger Stockton | 2018/10/01 17:00 | Pablo Vivero Gonzalez v William Blumberg | 4-6,1-6 |
| Challenger Binghamton | 2019/07/23 22:35 | John McNally v Nathan Pasha | 7-6,6-4 |
| Challenger Tiburon | 2018/09/22 20:35 | Nathan Pasha v Steven Diez | 0-6,3-6 |
| Challenger Columbus | 2018/09/15 16:45 | Thai-Son Kwiatkowski v Nathan Pasha | 6-7,6-0,6-1 |
| Challenger Panama City Qual | 2018/03/31 17:05 | Pavel Krainik v Nathan Pasha | 6-3,2-6,7-6 |
| Challenger San Luis Potosi Qual | 2018/03/25 18:05 | Nathan Pasha v Alejandro Gomez | 3-6,6-7 |
| Challenger Drummondville Qual | 2018/03/12 14:00 | Antoine Escoffier v Nathan Pasha | 6-2,6-2 |
| Challenger Drummondville Qual | 2018/03/11 14:00 | Nathan Pasha v Francesco Ferrari | 3-6,6-4,7-6 |
| Challenger Launceston Qual | 2018/02/04 03:50 | Nathan Pasha v Ulises Blanch | 4-6,2-6 |