Stadium: Court 21 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/11/14 07:00 | Rrezart Cungu v Ivan Zaytsev | 6-0,6-2 |
| ITF M25 Nur-Sultan | 2021/10/26 05:00 | Aliaksandr Liaonenka v Ivan Zaytsev | 6-4,6-4 |
| ITF M25 Nur-Sultan | 2021/10/25 05:00 | Andrey Nelich v Ivan Zaytsev | 0-6,0-6 |
| 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 M15 Sharm El Sheikh | 2021/11/17 09:50 | Yu Hsiou Hsu v Roland Stuurman | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/16 09:00 | Ray Ho v Roland Stuurman | 4-6,6-3,4-10 |
| ITF M15 Sharm El Sheikh | 2021/11/15 09:00 | Toru Horie v Roland Stuurman | 6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2021/11/14 09:30 | Henrique S Gomes v Roland Stuurman | 3-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/11/09 08:00 | Roland Stuurman v Ray Ho | 6-7,2-6 |
| ITF M15 Sharm El Sheikh | 2021/11/07 15:30 | Tsung-Hao Huang v Roland Stuurman | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/11/02 07:30 | Yuichiro Inui v Roland Stuurman | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2021/11/01 08:00 | Roland Stuurman v Daiki Yoshimura | 6-1,6-3 |