| UTR Pro Boca Raton | 2024/04/29 21:25 | Alex Kuperstein v Henrik Wiersholm | 1-6,6-1,6-2 |
| UTR Pro Boca Raton | 2024/04/28 15:45 | Mikel Anderson v Alex Kuperstein | 3-6,0-6 |
| ITF M15 Tacarigua | 2023/04/26 14:00 | Alex Kuperstein v Victor Lilov | 4-6,2-6 |
| ITF M15 Tacarigua | 2023/04/17 18:00 | Alex Kuperstein v Christopher Bulus | 4-6,4-6 |
| ITF M15 Tacarigua | 2023/04/16 18:00 | Alex Kuperstein v Pierre Gimla | 6-0,6-0 |
| ITF M25 Calabasas | 2023/03/20 18:00 | Andrew Rogers v Alex Kuperstein | 6-4,6-2 |
| UTR Pro California | 2023/02/11 19:30 | Evan King v Alex Kuperstein | 4-6,6-4,6-1 |
| UTR Pro California | 2023/02/09 18:00 | Alex Kuperstein v Arthur Bellegy | 6-1,6-1 |
| UTR Pro Boca Raton | 2024/04/28 16:08 | Alan Jesudason v Lukas Steffen | 5-7,4-6 |
| UTR Pro Winston-Salem | 2023/11/30 21:30 | Lukas Steffen v Luca Pow | 1-6,2-6 |
| UTR Pro Winston-Salem | 2023/11/28 23:59 | Lukas Steffen v Emmett Potter | 3-6,3-6 |
| UTR Pro Winston-Salem | 2023/11/27 22:53 | Lukas Steffen v Saud Alhaqbani | 4-6,6-7 |
| UTR Pro Tennis Series - Winston-Salem | 2022/09/08 18:45 | Veljko Krstic v Lukas Steffen | 4-6,6-4,6-1 |
| UTR Pro Tennis Series - Winston-Salem | 2022/09/07 17:30 | Dana Parziale v Lukas Steffen | 6-4,6-6 |
| UTR Pro Tennis Series - Florida | 2022/07/06 18:30 | Ivan Yatsuk v Lukas Steffen | 6-3,2-6,6-6 |
| UTR Pro Tennis Series - Florida | 2022/07/05 14:00 | Matthew Fung v Lukas Steffen | 6-2,4-6,6-7 |