Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF M25 Prague | 2021/10/08 09:00 | David Poljak v Fayziev, Sanjar | 6-4,6-2 |
| ITF M25 Prague | 2021/10/07 11:35 | Filip Duda v Fayziev, Sanjar | 3-6,1-6 |
| ITF M25 Prague | 2021/10/06 14:30 | Fayziev, Sanjar v Rudolf Molleker | 7-5,6-4 |
| ITF M25 Falun | 2021/09/27 11:55 | Valentin Royer v Fayziev, Sanjar | 6-0,7-6 |
| ITF M25 Jonkoping | 2021/09/21 12:10 | Yuta Shimizu v Fayziev, Sanjar | 6-2,6-1 |
| Coupe Davis | 2021/09/18 13:45 | Casper Ruud v Fayziev, Sanjar | 6-3,6-1 |
| ITF M25 Telavi | 2021/07/30 08:05 | Fayziev, Sanjar v Aliaksandr Liaonenka | 3-6,6-1,6-4 |
| Nur Sultan, Kazakhstan | 2021/07/19 05:45 | Edan Leshem v Fayziev, Sanjar | 6-2,6-4 |
| ITF M15 Kazan | 2021/10/12 10:50 | Maksim Starostin v Aleksandr Lobanov | 6-2,6-4 |
| ITF M15 Kazan | 2021/10/11 12:05 | Mikhaylyuk, Ivan v Maksim Starostin | 2-6,2-6 |
| ITF M15 St Petersburg Qual | 2021/04/11 07:00 | Spec, Matic v Maksim Starostin | 6-3,6-2 |
| ITF M15 St Petersburg | 2021/04/04 07:00 | Ratniuk, Maxim v Maksim Starostin | 6-4,6-0 |