| UTR Pro Boca Raton | 2024/04/30 17:53 | Alex Kuperstein v Lukas Steffen | 6-0,5-4 |
| 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 |