| UTR Pro Tennis Series California | 2021/05/30 15:00 | Spencer Johnson v Bailey, Aaron | 6-0,5-4 |
| UTR Pro Tennis Series California | 2021/05/29 15:00 | Sema Pankin v Spencer Johnson | 6-2,5-7,5-6 |
| UTR Pro Tennis Series California | 2021/05/27 16:30 | Rudy Quan v Spencer Johnson | 2-6,6-4,3-6 |
| UTR Pro Tennis Series California | 2021/05/26 16:30 | Ortlip, Joshua v Spencer Johnson | 6-4,5-4 |
| UTR Pro Tennis Series California | 2021/05/25 21:00 | Gabriel Evans v Spencer Johnson | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/24 19:30 | Spencer Johnson v Alexander Stater | 6-4,5-7,6-7 |
| UTR Pro Tennis Series California | 2021/02/25 16:00 | Joshua Sheehy v Spencer Johnson | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/02/23 22:00 | Hovhannisyan, Mousheg v Spencer Johnson | 6-2,5-4 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 12:00 | Rubell, Samuel v Gonzalo Villanueva | 4-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/06 12:00 | Rubell, Samuel v Jake Krug | 2-6,3-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/04 12:00 | Rubell, Samuel v Shubladze, Vazha | 7-6,6-3 |
| ITF M15 Norman | 2019/07/10 14:00 | Jachuck, Ronan v Rubell, Samuel | 6-2,6-3 |
| ITF Panama F4 | 2018/11/20 16:35 | Rubell, Samuel v Conner Huertas Del Pino | 5-7,3-6 |
| ITF USA F32 | 2018/11/10 16:00 | Rubell, Samuel v Rowland Phillips | 3-6,2-6 |
| ITF USA F24 | 2018/09/07 17:00 | Rubell, Samuel v Jackson, Ryder (2005) | 4-6,2-6 |
| ITF USA F11 | 2018/04/15 13:00 | Rubell, Samuel v Fainblum, Daniel | 4-6,0-6 |