| UTR Pro Tennis Series Zadar | 2021/09/27 11:30 | Duje Kekez v Janos Fekete | 3-6,5-6 |
| ITF M15 Vyshkovo | 2021/09/22 11:00 | Romain Faucon v Janos Fekete | 3-6,6-4,6-3 |
| ITF M15 Vyshkovo | 2021/09/20 07:00 | Riccardo Tavilla v Janos Fekete | 6-4,3-6,7-10 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Cristian Campese v Janos Fekete | 2-6,2-6 |
| UTR Pro Tennis Series - Rícany | 2021/09/11 09:00 | Andrey Chepelev v Janos Fekete | 6-3,6-0 |
| UTR Pro Tennis Series - Rícany | 2021/09/10 10:30 | Martins Podzus v Janos Fekete | 2-6,2-4 |
| UTR Pro Tennis Series - Rícany | 2021/09/07 10:30 | Dominik Kellovsky v Janos Fekete | 0-6,0-5 |
| UTR Pro Tennis Series - Rícany | 2021/09/06 07:30 | Janos Fekete v Jiri Jenicek | 4-6,4-5 |
| UTR Pro Tennis Series Mülheim | 2021/09/25 10:30 | Christos Keisidis v Lawrence Bataljin | 6-4,5-3 |
| UTR Pro Tennis Series Mülheim | 2021/09/24 08:00 | Christos Keisidis v Jurriaan Bol | 1-6,4-6 |
| UTR Pro Tennis Series Mülheim | 2021/09/23 11:00 | Christos Keisidis v Artem Podorozhnyi | 5-7,2-5 |
| UTR Pro Tennis Series Mülheim | 2021/09/22 14:00 | Colin Sinclair v Christos Keisidis | 6-3,6-1 |
| UTR Pro Tennis Series Mülheim | 2021/09/21 08:00 | Edison Ambarzumjan v Christos Keisidis | 6-2,4-6,5-1 |
| UTR Pro Tennis Series - Sofía | 2021/09/03 07:00 | George Lazarov v Christos Keisidis | 6-4,6-4 |
| UTR Pro Tennis Series - Sofía | 2021/09/02 07:00 | Vladimir Popov v Christos Keisidis | 7-6,6-7,3-6 |
| UTR Pro Tennis Series - Sofía | 2021/09/01 08:00 | Christos Keisidis v Mario Radev | 6-1,4-6,6-4 |