Stadium: Court 2 Round: 28 Ground: Clay
| 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 |
| Challenger Meerbusch | 2021/08/08 16:05 | Nedelko, Ivan v Haerteis, Johannes | 7-6,6-3 |
| ITF M25 Wetzlar | 2021/08/05 10:40 | Harold Mayot v Nedelko, Ivan | 3-6,6-2,6-4 |
| ITF M25 Wetzlar | 2021/08/03 16:30 | Hain, Jan Soeren v Nedelko, Ivan | 2-6,2-6 |
| ITF M15 Novi Sad | 2021/07/28 11:10 | Nedelko, Ivan v Gabriel Donev | 4-6,1-6 |
| Nur Sultan, Kazakhstan | 2021/07/20 04:00 | Tashbulatov, Dostanbek v Nedelko, Ivan | 3-6,2-6 |
| ITF M15 Vyshkovo | 2021/09/24 10:00 | Tommaso Compagnucci v Aleksandr Braynin | 3-6,7-5,6-1 |
| ITF M15 Vyshkovo | 2021/09/21 07:00 | Bondarevskiy, Yan v Tommaso Compagnucci | 2-6,7-6,5-7 |
| ITF M15 Sozopol | 2021/09/17 06:55 | Martin Krumich v Tommaso Compagnucci | 6-2,6-4 |
| ITF M15 Sozopol | 2021/09/16 10:05 | Tommaso Compagnucci v Petr Nesterov | 6-2,6-0 |
| ITF M15 Sozopol | 2021/09/15 10:00 | Tommaso Compagnucci v Sadaoui, Mehdi | 6-3,6-1 |
| ITF M15 Sozopol | 2021/09/14 07:00 | Tommaso Compagnucci v Caspar Schuetze | 6-1,6-2 |
| ITF M15 Sozopol | 2021/09/13 10:30 | Tommaso Compagnucci v Penev, Ivan | 6-2,6-3 |
| ITF M15 Chornomorsk | 2021/09/02 09:55 | Tommaso Compagnucci v Oleg Prihodko | 0-6,6-7 |