Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| Challenger Orlando | 2021/06/06 14:00 | Nicolas Mejia v Edan Leshem | 7-6,6-3 |
| ITF M15 Marbella | 2021/05/28 07:55 | Edan Leshem v Roman Andres Burruchaga | 3-6,5-7 |
| ITF M15 Marbella | 2021/05/27 07:30 | Edan Leshem v Alberto Barroso Campos | 0-6,6-2,6-2 |
| ITF M15 Marbella | 2021/05/26 09:25 | Edan Leshem v Alexis Musialek | 7-5,6-3 |
| ITF M15 Jerusalem | 2021/05/16 06:55 | Edan Leshem v Zane Khan | 3-6,4-6 |
| ITF M15 Jerusalem | 2021/05/15 07:30 | Edan Leshem v Yshai Oliel | 6-3,6-3 |
| ITF M15 Jerusalem | 2021/05/14 09:40 | Edan Leshem v Justin Roberts | 6-4,6-3 |
| ITF M15 Jerusalem | 2021/05/13 10:00 | Edan Leshem v Sahar Simon | 6-4,6-2 |
| 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 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 | Jim Walder v Ivan Zaytsev | 4-6,2-6 |
| ITF M15 Antalya | 2021/03/07 07:00 | Denis Parshutin 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 |