Stadium: Grandstand 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Budapest | 2021/09/28 09:40 | Buvaysar Gadamauri v Patzanovsky, Christopher | 6-1,6-2 |
| ITF M25 Budapest | 2021/09/27 12:35 | Buvaysar Gadamauri v Marcell Bartakovics | 6-2,3-6,12-10 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 13:43 | Bielinskyi, Oleksandr v Buvaysar Gadamauri | 6-7,6-7 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 10:00 | Buvaysar Gadamauri v Dhoe, Benjamin | 6-3,7-6 |
| UTR Pro Tennis Series Mulheim | 2021/09/23 08:00 | Buvaysar Gadamauri v Lawrence Bataljin | 6-3,5-4 |
| UTR Pro Tennis Series Mulheim | 2021/09/22 09:30 | Buvaysar Gadamauri v Jose A R Rodriguez | 6-1,5-1 |
| UTR Pro Tennis Series Mulheim | 2021/09/21 13:00 | Buvaysar Gadamauri v Guy Den Heijer | 6-4,6-6 |
| UTR Pro Tennis Series Mulheim | 2021/09/20 12:30 | Buvaysar Gadamauri v Thijmen Loof | 6-1,6-4 |
| ITF M25 Budapest | 2021/09/28 10:15 | Andre Biro v Hampel, Lenny | 3-6,0-6 |
| Challenger Tulln | 2021/09/05 09:00 | Matteo Martineau v Hampel, Lenny | 6-3,6-2 |
| ITF M15 Bad Waltersdorf | 2021/09/02 09:45 | Hampel, Lenny v Timo Stodder | 6-4,4-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/09/01 12:10 | Hampel, Lenny v Matic Dimic | 6-3,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:25 | Hampel, Lenny v Adrian Oetzbach | 2-6,6-0,2-10 |
| ITF M25 Frankfurt am Main | 2021/08/09 09:00 | Hampel, Lenny v Neil Oberleitner | 6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Hampel, Lenny v Alexey Vatutin | 2-6,2-6 |
| ITF M25 Wetzlar | 2021/08/04 13:10 | Hampel, Lenny v Torski, Osman | 6-4,7-5 |