Stadium: Court 8 Round: 54 Ground: Clay
| ITF - M15 Shymkent | 2021/04/05 04:55 | Jack Gibbens v Felipe Mikkelsen | 6-4,6-4 |
| ITF - M15 Shymkent | 2021/04/06 05:30 | Galiev, Bulat v Ivan Zaytsev | 7-6,6-4 |
| ITF - M15 Shymkent | 2021/04/05 08:45 | Roman Konovalov v Ivan Zaytsev | 0-6,0-6 |
| ITF - M15 Antalya | 2021/03/15 08:30 | Ivan Zaytsev v Sidane Pontjodikromo | 2-6,4-6 |
| ITF - M15 Antalya | 2021/03/14 07:00 | Walder, Jim v Ivan Zaytsev | 4-6,2-6 |
| ITF - M15 Antalya | 2021/03/07 07:00 | Parshutin, Denis v Ivan Zaytsev | 6-4,6-3 |
| ITF M15 Nur-Sultan | 2021/02/08 04:00 | Matteo Arnaldi v Ivan Zaytsev | 6-2,6-3 |
| ITF M15 Nur-Sultan | 2021/02/01 07:30 | Ivan Liutarevich v Ivan Zaytsev | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2020/02/03 08:00 | Khomich, Aleksei v Ivan Zaytsev | 6-3,6-3 |