Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M25 - Nur-Sultan | 2021/10/19 06:30 | Igor Trunov v Andrey Nelich | 6-1,6-4 |
| ITF M25 - Nur-Sultan | 2021/10/18 07:05 | Tamerlan Kalkenov v Andrey Nelich | 2-6,7-6,2-10 |
| ITF M25 - Nur-Sultan | 2021/07/06 04:00 | Ibrokhimjon Urinov v Andrey Nelich | 4-6,6-1,10-4 |
| ITF M25 - Nur-Sultan | 2021/07/05 04:50 | Tamerlan Kalkenov v Andrey Nelich | 2-6,5-7 |
| ITF M15 - Shymkent | 2021/04/12 08:40 | Jack Gibbens v Andrey Nelich | 6-1,6-2 |
| ITF M15 - Shymkent | 2021/04/05 09:10 | Andrey Nelich v Aleksandr Braynin | 1-6,0-6 |
| ITF M25 - Nur-Sultan | 2021/10/19 05:05 | Ivan Liutarevich v Ivan Zaytsev | 1-6,6-3,10-4 |
| ITF M25 - Nur-Sultan | 2021/10/18 10:15 | Yan Brek v Ivan Zaytsev | 2-6,0-6 |
| ITF M15 - Xativa | 2021/08/01 07:00 | Ivan Zaytsev v Vicente O Moratalla | 6-3,2-6,5-10 |
| ITF M15 - Castelo Branco | 2021/07/25 08:00 | Osgar O'Hoisin v Ivan Zaytsev | 7-5,6-0 |
| ITF M25 - Idanha-A-Nova | 2021/07/18 14:30 | Daniel Batista v Ivan Zaytsev | 6-3,6-4 |
| ITF M25 - Idanha-A-Nova | 2021/07/12 10:30 | Yasha Zemel v Ivan Zaytsev | 6-3,6-3 |
| ITF M25 - Idanha-A-Nova | 2021/07/11 08:00 | Eduardo Morais v Ivan Zaytsev | 2-6,1-6 |
| ITF M25 - Nur-Sultan | 2021/07/07 11:35 | Edan Leshem v Ivan Zaytsev | 6-2,6-2 |