| UTR Pro Tennis Series California | 2021/12/04 20:15 | Daniel De Jonge v Alex Kuperstein | 6-0,7-6 |
| UTR Pro Tennis Series California | 2021/12/03 23:15 | Joseph Corse v Alex Kuperstein | 3-6,6-1,6-4 |
| UTR Pro Tennis Series California | 2021/12/02 16:00 | Eric Hadigian v Alex Kuperstein | 0-6,6-2,6-7 |
| UTR Pro Tennis Series California | 2021/12/01 17:30 | Ryan Nuno v Alex Kuperstein | 3-6,0-5 |
| UTR Pro Tennis Series California | 2021/11/29 20:00 | Arthur Bellegy v Alex Kuperstein | 0-6,4-6 |
| UTR Pro Tennis Series California | 2021/11/17 21:43 | Chase Thompson v Alex Kuperstein | 4-3 |
| UTR Pro Tennis Series California | 2021/11/16 20:30 | William Peters v Alex Kuperstein | 7-6,6-3 |
| UTR Pro Tennis Series California | 2021/11/15 19:00 | Alex Kuperstein v Abhishek Bastola | 6-2,6-0 |