Stadium: Court 1 Round: 44 Ground: Clay
| ITF M15 Kazan | 2021/11/24 08:45 | Maxim Krapivin v Erik Arutiunian | 0-6,5-7 |
| ITF M15 Kazan | 2021/11/23 10:50 | Maxim Krapivin v Vyacheslav Ovchinnikov | 6-4,4-6,10-3 |
| ITF M15 Kazan | 2021/11/22 09:20 | Maxim Krapivin v Bogdan Seleznev | 6-4,2-6,10-6 |
| ITF M25 Nur-Sultan | 2021/10/27 06:30 | Maxim Krapivin v Bogdan Bobrov | 5-7,3-6 |
| ITF M25 Nur-Sultan | 2021/10/26 05:00 | Maxim Krapivin v Piotr Pawlak | 6-4,3-6,11-9 |
| ITF M25 Nur-Sultan | 2021/10/25 09:15 | Maxim Krapivin v Ziv Moravia | 6-4,6-2 |
| ITF M25 Nur-Sultan | 2021/10/18 07:25 | Maxim Krapivin v Alexander Ryzhikov | 4-6,6-3,7-10 |
| ITF M15 Kazan | 2021/10/11 08:20 | Maxim Krapivin v Radimir Lutkovskii | 4-6,3-6 |
| ITF M15 Antalya | 2021/12/06 12:30 | Berk Ilkel v Lazar Vojinovic | 7-6,6-2 |
| ITF M15 Antalya | 2021/12/05 06:00 | Lazar Vojinovic v David Bulbulian | 6-0,6-4 |
| ITF M15 Antalya | 2021/11/29 07:30 | Lazar Vojinovic v Giulio Colacioppo | 6-3,2-6,7-10 |
| ITF M15 Antalya | 2021/11/29 06:00 | Tolga Basriev v Lazar Vojinovic | 2-6,5-7 |
| ITF M15 Antalya | 2021/11/22 06:30 | Lazar Vojinovic v John Sperle | 2-6,3-6 |
| ITF M15 Antalya | 2021/11/21 06:30 | Lazar Vojinovic v Vladislav Tasenkov | 6-0,6-3 |
| ITF M15 Antalya | 2021/11/14 06:30 | Lazar Vojinovic v John Sperle | 4-6,3-6 |
| ITF M15 Novi Sad | 2021/08/01 09:45 | Lazar Vojinovic v Ivailo Keremedchiev | 4-6,6-3,6-10 |