Stadium: Court 6 Round: 62 Ground: Clay
| 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 |
| ITF M15 Shymkent | 2021/04/12 03:55 | Felipe Mikkelsen v Ivan Zaytsev | 6-3,6-1 |
| ITF M15 Shymkent | 2021/04/06 05:30 | Bulat Galiev v Ivan Zaytsev | 7-6,6-4 |
| ITF M25 Denia | 2021/07/26 09:30 | Oleg Prihodko v Vicente O Moratalla | 6-4,6-2 |
| ITF M25 Denia | 2021/07/25 08:00 | Vicente O Moratalla v Samuel M Arjona | 6-0,6-0 |
| ITF M25 Gandia | 2021/07/20 08:00 | Coleman Wong v Vicente O Moratalla | 6-7,6-4,10-7 |
| ITF M25 Gandia | 2021/07/19 09:00 | Vicente O Moratalla v Juan C Garcia Garcia | 3-6,6-4,10-7 |
| ITF M25 Gandia | 2021/07/18 09:00 | Vicente O Moratalla v Carlos Gimenez Perez | 6-2,4-6,10-4 |
| ITF M15 Monastir | 2021/06/20 10:30 | Uisung Park v Vicente O Moratalla | 6-4,6-2 |
| ITF M15 Monastir | 2021/06/13 08:00 | Vicente O Moratalla v Vladislav Ivanov | 2-6,4-6 |
| ITF M25 Vic | 2021/05/17 08:00 | Oscar Jose Gutierrez v Vicente O Moratalla | 6-2,6-0 |