Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| Challenger Antalya | 2021/12/07 09:10 | Cem Ilkel v Nedelko, Ivan | 6-4,7-5 |
| ITF - M15 Antalya | 2021/11/03 11:50 | Nedelko, Ivan v Fermin Tenti | 6-7,4-6 |
| Alicante, Spain | 2021/10/10 10:25 | Nedelko, Ivan v Galloway, Robert | 6-2,2-6,6-7 |
| ITF M15 Vyshkovo | 2021/09/26 07:30 | Nedelko, Ivan v Gergely Madarasz | 6-7,6-3,4-6 |
| ITF M15 Vyshkovo | 2021/09/25 08:00 | Nedelko, Ivan v Tommaso Compagnucci | 6-2,6-7,6-4 |
| ITF M15 Vyshkovo | 2021/09/24 12:10 | Nedelko, Ivan v Oleg Prihodko | 6-1,1-6,6-2 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Nedelko, Ivan v Romain Faucon | 6-3,7-6 |
| Challenger Meerbusch | 2021/08/09 11:20 | Nicolas Kicker v Nedelko, Ivan | 2-6,7-6,7-6 |
| ITF - M15 Antalya | 2021/12/14 10:25 | Kiyamov, Timur v Koray Kirci | 2-6,5-7 |
| ITF - M15 Antalya | 2021/12/09 09:45 | Kiyamov, Timur v Bejenaru, Adrian Mateo | 2-6,6-7 |
| ITF M15 Kazan | 2021/11/26 09:15 | Kiyamov, Timur v Alibek Kachmazov | 6-7,4-6 |
| ITF M15 Kazan | 2021/11/25 09:50 | Kiyamov, Timur v Alexandr Binda | 6-3,6-3 |
| ITF M15 Kazan | 2021/11/24 13:55 | Kiyamov, Timur v Aliaksandr Liaonenka | 6-1,6-2 |
| ITF M25 Johannesburg | 2021/09/21 07:00 | Kiyamov, Timur v Simon, Sahar | 6-2,4-6,6-10 |
| ITF M25 Johannesburg | 2021/09/20 07:00 | Kiyamov, Timur v LJ Fick | 6-2,6-0 |
| ITF M25 Johannesburg | 2021/09/19 07:00 | Kiyamov, Timur v Ebersohn, Henning | 6-3,6-1 |