Stadium: Court 1 Round: 24 Ground: Hardcourt indoor
| 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 |
| Challenger Stockton | 2018/10/04 16:30 | Blumberg, William v Noah Rubin | 1-6,6-4,4-6 |
| Challenger Stockton | 2018/10/02 17:00 | Blumberg, William v Aragone, JC | 3-6,6-2,6-2 |
| Challenger Stockton | 2018/10/01 17:00 | Vivero Gonzalez, Pablo v Blumberg, William | 4-6,1-6 |
| Challenger Stockton | 2018/09/30 17:00 | Blumberg, William v Steven Diez | 6-2,4-6,6-4 |
| Challenger Stockton | 2018/09/29 17:00 | Watson, Ross v Blumberg, William | 4-6,2-6 |
| Challenger Cary | 2018/09/12 17:00 | Blumberg, William v Hernandez-Fernandez, Jose | 4-6,3-6 |
| ITF M25 Malibu | 2019/11/08 18:00 | Song, Evan v Collin Altamirano | 3-6,4-6 |
| ITF M25 Malibu | 2019/11/07 19:20 | Song, Evan v Evan Zhu | 6-2,6-7,6-3 |
| ITF M25 Malibu | 2019/11/06 01:05 | Song, Evan v Adrian Oetzbach | 6-7,6-3,6-4 |
| Challenger Charlottesville | 2019/10/30 19:45 | Schnur, Brayden v Song, Evan | 3-6,6-1,6-4 |
| Challenger Charlottesville | 2019/10/28 21:20 | Song, Evan v Redlicki, Michael | 7-5,7-5 |
| Fayetteville, AR, Singles Qualifying, M-ITF-USA-31 | 2019/10/23 18:25 | Song, Evan v Mesquida Berg, Oscar | 5-7,6-1,4-6 |
| Challenger Las Vegas | 2019/10/14 23:15 | Stefan Kozlov v Song, Evan | 6-4,6-3 |
| Claremont, Singles Qualifying M-ITF-USA-06B | 2019/10/12 18:50 | Liam Broady v Song, Evan | 7-5,6-3 |