| UTR Pro Tennis Series - Kalifornia | 2021/11/08 20:30 | Roman Postolka v Conrad Brown | 6-4,6-2 |
| UTR Pro Tennis Series - Kalifornia | 2021/11/07 20:30 | Roman Postolka v Emmanuel Coste | 7-5,6-0 |
| ITF - M15 Lubbock | 2021/09/27 15:00 | Piotr Pawlak v Roman Postolka | 6-3,6-2 |
| UTR Pro Tennis Series - Florida | 2021/09/19 14:00 | Matthew Segura v Roman Postolka | 1-1 |
| UTR Pro Tennis Series - Florida | 2021/09/17 12:00 | Roman Postolka v Michal Schmid | 5-7,1-5 |
| UTR Pro Tennis Series - Florida | 2021/09/15 12:00 | Nikolay Sysoev v Roman Postolka | 2-6,2-6 |
| UTR Pro Tennis Series - Florida | 2021/09/14 16:30 | Omar Maldonado v Roman Postolka | 0-6,3-5 |
| UTR Pro Tennis Series - Florida | 2021/09/12 12:00 | Rowland Phillips v Roman Postolka | 7-6,6-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/11/08 22:45 | Emmanuel Coste v Shahin Khaledan | 4-6,6-3,6-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/09/04 15:00 | Austin Ansari v Shahin Khaledan | 6-2,6-3 |
| UTR Pro Tennis Series - Kalifornia | 2021/09/01 19:30 | Neel Rajesh v Shahin Khaledan | 3-6,6-2,5-4 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/31 15:00 | Michail Pervolarakis v Shahin Khaledan | 7-5,5-2 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/30 15:00 | Shahin Khaledan v Arthur Bellegy | 6-3,7-5 |
| UTR Pro Tennis Series - Kalifornia | 2021/07/28 16:30 | Ewen Lumsden v Shahin Khaledan | 3-6,6-3,5-3 |
| UTR Pro Tennis Series - Kalifornia | 2021/07/27 19:30 | Kyle Kang v Shahin Khaledan | 6-1,6-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/07/26 19:30 | Ben Gollin v Shahin Khaledan | 6-1,7-5 |