Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Nur-Sultan | 2021/02/01 07:30 | Ivan Liutarevich v Ivan Zaytsev | 6-3,6-4 |
| ITF M25 Nur-Sultan | 2021/10/18 09:35 | Ivan Liutarevich v Arslanbek Aitkulov | 6-1,6-2 |
| ITF M15 Kazan | 2021/10/16 08:00 | Alibek Kachmazov v Ivan Liutarevich | 6-4,6-7,6-4 |
| ITF M15 Kazan | 2021/10/15 10:05 | Sanjar Fayziev v Ivan Liutarevich | 4-6,6-3,6-7 |
| ITF M15 Kazan | 2021/10/14 10:50 | Ivan Liutarevich v Alexander Zgirovsky | 3-6,6-4,6-1 |
| ITF M15 Kazan | 2021/10/13 10:05 | Ivan Liutarevich v Petr Bar Biryukov | 2-6,7-5,6-1 |
| UTR Pro Tennis Series Nis | 2021/10/10 17:00 | Ivan Liutarevich v Alexander Lazov | 6-4,6-4 |
| UTR Pro Tennis Series Nis | 2021/10/09 10:15 | Andrey Chepelev v Ivan Liutarevich | 5-7,4-6 |
| UTR Pro Tennis Series Nis | 2021/10/07 07:00 | Ivan Liutarevich v Oleksandr Bielinskyi | 5-7,6-4,5-2 |
| 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 |
| ITF M25 Nur-Sultan | 2021/07/06 07:50 | Ivan Zaytsev v Kirill Kolganov | 6-2,6-2 |