Stadium: Court 2 Round: 26 Ground: Clay
| ITF M25 - Prag | 2021/10/05 08:00 | Filip Duda v Daniel Siniakov | 6-1,6-4 |
| ITF M25 - Prag | 2021/10/04 08:00 | Filip Duda v Tomas Lanik | 3-6,6-4,10-3 |
| ITF M25 - Prag | 2021/10/03 14:00 | Filip Duda v Tomas Krcma | 6-0,6-0 |
| ITF M25 - Budapest | 2021/10/01 09:25 | Zsombor Piros v Filip Duda | 6-2,3-6,6-3 |
| ITF M25 - Budapest | 2021/09/30 09:00 | Nicolas Parizzia v Filip Duda | 2-6,4-6 |
| ITF M25 - Budapest | 2021/09/29 07:30 | Filip Duda v Omar Giacalone | 6-1,6-3 |
| ITF M25 - Pardubice | 2021/09/21 10:15 | Filip Duda v Dominik Recek | 4-6,2-6 |
| ITF M25 - Pardubice | 2021/09/20 09:00 | Filip Duda v Jakub Katuch | 6-1,6-1 |
| ITF M25 - Prag | 2021/10/06 14:30 | Sanjar Fayziev v Rudolf Molleker | 7-5,6-4 |
| ITF M25 - Falun | 2021/09/27 11:55 | Valentin Royer v Sanjar Fayziev | 6-0,7-6 |
| ITF M25 - Jönköping | 2021/09/21 12:10 | Yuta Shimizu v Sanjar Fayziev | 6-2,6-1 |
| Davis Cup | 2021/09/18 13:45 | Casper Ruud v Sanjar Fayziev | 6-3,6-1 |
| ITF M25 - Telavi | 2021/07/30 08:05 | Sanjar Fayziev v Aliaksandr Liaonenka | 3-6,6-1,6-4 |
| Challenger - Nur-Sultan | 2021/07/19 05:45 | Edan Leshem v Sanjar Fayziev | 6-2,6-4 |
| Challenger - Nur-Sultan - Kvalifikation | 2021/07/18 04:00 | Markos Kalovelonis v Sanjar Fayziev | 7-6,3-6,6-7 |
| Challenger - Nur-Sultan | 2021/07/11 06:35 | Sanjar Fayziev v Yshai Oliel | 1-6,7-6,1-6 |