Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Johannesburg | 2021/09/23 07:00 | Daniel Cukierman v Mateus Alves | 2-6,7-5,6-7 |
| ITF M25 Johannesburg | 2021/09/22 08:30 | Daniel Cukierman v Neil Oberleitner | 6-2,6-3 |
| ITF M25 Johannesburg | 2021/09/14 08:00 | Daniel Cukierman v Timur Kiyamov | 6-7,6-3,6-7 |
| ITF M25 Frankfurt am Main | 2021/08/13 11:45 | Eduard Esteve Lobato v Daniel Cukierman | 6-3,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/12 09:00 | Daniel Cukierman v Pedro Sakamoto | 6-3,1-6,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/11 14:00 | Yannick Mertens v Daniel Cukierman | 3-6,3-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:20 | Daniel Cukierman v Karlo Cubelic | 2-6,6-4,10-2 |
| ITF M25 Frankfurt am Main | 2021/08/09 10:50 | Daniel Cukierman v Dominik Kellovsky | 6-2,6-3 |
| ITF M25 Madrid | 2021/09/12 13:00 | Inaki Cabrera Bello v Vojtech Vlkovsky | 3-6,0-6 |
| ITF M25 Oviedo | 2021/08/29 14:05 | Pol Amoros Ramos v Inaki Cabrera Bello | 6-3,6-2 |
| ITF M25 Santander | 2021/08/22 11:30 | Savva Polukhin v Inaki Cabrera Bello | 6-2,6-4 |
| ITF M25 Denia | 2021/07/25 14:30 | Alberto Barroso Campos v Inaki Cabrera Bello | 6-3,6-2 |
| ITF M25 Gandia | 2021/07/18 08:00 | Matvey Minin v Inaki Cabrera Bello | 6-4,6-2 |
| ITF M25 Uriage | 2021/07/11 09:30 | Inaki Cabrera Bello v Amaury Raynel | 2-6,1-6 |
| ITF M25 Velenje | 2021/07/04 07:30 | Inaki Cabrera Bello v Dusan Rajic | 1-6,4-6 |
| ITF M25 Bakio | 2021/06/28 16:00 | Inaki Cabrera Bello v Jordi Mas De Ugarte | 3-6,2-6 |