| UTR Pro Tennis Series Texas | 2021/09/23 16:00 | Lah, Sven v George Goldhoff | 4-6,3-5 |
| UTR Pro Tennis Series Texas | 2021/09/22 13:00 | Abbrat, Austin v Lah, Sven | 2-6,1-5 |
| UTR Pro Tennis Series Texas | 2021/09/21 14:30 | Grassi Mazzuchi, Juan Pablo v Lah, Sven | 6-3,4-6,5-4 |
| UTR Pro Tennis Series Dallas | 2021/08/31 13:00 | Lah, Sven v Evan Zhu | 6-3,0-3 |
| UTR Pro Tennis Series Dallas | 2021/08/30 14:30 | Lah, Sven v Ovil, Orel | 6-1,6-5 |
| UTR Pro Tennis Series Dallas | 2021/08/15 14:00 | James Trotter v Lah, Sven | 4-6,7-5,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/14 14:30 | Sema Pankin v Lah, Sven | 5-7,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/13 16:00 | Lah, Sven v Juan Carlos Aguilar | 0-0 |
| UTR Pro Tennis Series Texas | 2021/09/23 13:00 | Abbrat, Austin v Perot, Raphael | 2-6,4-5 |
| UTR Pro Tennis Series Texas | 2021/09/22 13:00 | Grassi Mazzuchi, Juan Pablo v Perot, Raphael | 6-2,5-2 |
| UTR Pro Tennis Series Texas | 2021/09/20 14:30 | George Goldhoff v Perot, Raphael | 4-6,2-5 |
| ITF - M15 Bagnoles-de-l'Orne | 2019/01/07 10:20 | Perot, Raphael v Peyrot, Alexandre | 6-4,4-6,9-11 |