| ITF M25 - Malibu | 2023/01/06 18:00 | Alex Kuperstein v Garrett Johns | 4-6,0-6 |
| ITF M25 - Malibu | 2023/01/05 22:00 | Kyle Seelig v Alex Kuperstein | 6-7,5-7 |
| ITF M25 - Malibu | 2023/01/03 19:30 | Alex Kuperstein v Ronald Hohmann | 0-6,6-4,10-6 |
| ITF M25 - Malibu | 2023/01/02 17:00 | Alex Kuperstein v Jakub Ostajewski | 7-6,6-2 |
| ITF - M15 Boca Raton | 2022/11/16 14:00 | Rowland Phillips v Alex Kuperstein | 6-0,4-6,6-1 |
| ITF M25 - Austin | 2022/11/10 18:30 | Alex Kuperstein v Colin Markes | 0-6,1-6 |
| ITF M25 - Austin | 2022/11/09 16:00 | Tyler Stewart v Alex Kuperstein | 4-6,3-6 |
| ITF - M15 Sharm-el-Sheikh | 2022/10/19 14:10 | Jesse De Jager v Alex Kuperstein | 5-7,3-6 |