Stadium: Court 1 Round: 44 Ground: Clay
| ITF M25 Madrid | 2021/10/24 09:30 | Ignacio B Alia v Ilya Rudiukov | 2-6,4-6 |
| ITF M15 Girona | 2021/10/18 08:00 | Matvey Minin v Ilya Rudiukov | 6-4,6-2 |
| ITF M15 Platja D'Aro | 2021/10/10 08:00 | Ilya Rudiukov v Mason Recci | 3-6,0-6 |
| ITF M15 Platja D'Aro | 2021/10/03 08:00 | Ilya Rudiukov v Pedro Iamachkine | 6-3,4-6,8-10 |
| ITF M15 Melilla | 2021/09/20 14:30 | Adria V. Ferrer v Ilya Rudiukov | 6-4,6-2 |
| ITF M25 Madrid | 2021/09/12 13:00 | Ilya Rudiukov v Fermin Calvo Barcelo | 5-7,3-6 |
| ITF M25 Oviedo | 2021/08/31 08:35 | Ilya Rudiukov v Kuzey Cekirge | 2-6,0-6 |
| ITF M25 Oviedo | 2021/08/30 09:40 | Albert Roglan v Ilya Rudiukov | 6-1,6-3 |
| ITF M15 Xativa | 2021/08/02 07:00 | Alejandro Garcia v Mikel Aranzabal | 6-3,6-2 |
| ITF M25 Denia | 2021/07/25 14:30 | Pawel Juszczak v Mikel Aranzabal | 6-0,6-0 |
| ITF M25 Reus | 2021/04/11 07:00 | Imanol L Morillo v Mikel Aranzabal | 6-1,6-1 |
| ITF M25 La Nucia | 2021/03/15 09:30 | Mikel Aranzabal v Francisco Andreu Garcia | 6-2,5-7,2-10 |
| ITF M25 La Nucia | 2021/03/14 12:00 | Henrik Traskin v Mikel Aranzabal | 6-4,6-7,13-15 |
| ITF M15 La Nucia | 2021/03/10 09:30 | Georgii Kravchenko v Mikel Aranzabal | 6-2,6-2 |
| ITF M15 Cairo | 2021/01/25 08:00 | Mikel Aranzabal v Daisuke Sumizawa | 3-6,4-6 |
| ITF M15 Cairo | 2021/01/19 08:00 | Alejo Lorenzo Lingua Lavallen v Mikel Aranzabal | 6-1,6-2 |