| 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 - Florida | 2021/09/11 16:30 | Roman Postolka v Michal Lusovsky | 6-2,7-5 |
| UTR Pro Tennis Series - Florida | 2021/09/10 18:30 | Jacob Perkins v Roman Postolka | 3-6,1-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/10/16 21:00 | Emmanuel Coste v Nicholas Campbell | 4-6,5-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/10/15 15:00 | Govind Nanda v Emmanuel Coste | 6-2,6-1 |
| UTR Pro Tennis Series - Kalifornia | 2021/10/14 18:00 | Isaac Becroft v Emmanuel Coste | 6-0,6-2 |
| UTR Pro Tennis Series - Kalifornia | 2021/10/12 16:30 | Mousheg Hovhannisyan v Emmanuel Coste | 6-2,6-4 |
| UTR Pro Tennis Series - Kalifornia | 2021/10/11 19:30 | Emmanuel Coste v Manuel S Montemayor | 6-4,6-7,6-4 |
| ITF Ireland F2 Qual | 2017/07/24 10:15 | Daniel Glancy v Emmanuel Coste | 6-4,6-4 |
| ITF France F15 | 2017/07/11 07:00 | Tomas Lipovsek Puches v Emmanuel Coste | 3-6,7-5,6-1 |
| ITF France F15 Qual | 2017/07/09 07:00 | Emmanuel Coste v Alec Adamson | 6-3,6-3 |