Stadium: Pista Round: 62 Ground: Clay
| ITF M15 Valldoreix | 2021/05/10 11:00 | Inaki Cabrera Bello v Louis Dussin | 1-6,7-5,5-10 |
| ITF M15 Valldoreix | 2021/05/09 14:00 | Inaki Cabrera Bello v Jordi Garcia Mestre | 6-4,5-7,10-5 |
| ITF M15 Las Palmas | 2021/04/27 08:00 | Alberto Barroso Campos v Inaki Cabrera Bello | 1-6,6-1,10-4 |
| ITF M15 Las Palmas | 2021/04/26 10:30 | Inaki Cabrera Bello v Rafael Giotis | 6-3,6-4 |
| ITF M15 Las Palmas | 2021/04/25 14:30 | Ignacio B Alia v Inaki Cabrera Bello | 6-1,3-6,5-10 |
| ITF M25 Reus | 2021/04/11 11:00 | Jose Joaquin M Cisneros v Inaki Cabrera Bello | 3-6,6-3,10-5 |
| ITF M15 Sharm El Sheikh | 2021/04/05 10:00 | Karlo Cubelic v Inaki Cabrera Bello | 4-6,7-5,10-8 |
| ITF M15 Sharm El Sheikh | 2021/03/28 16:00 | Inaki Cabrera Bello v Karlo Cubelic | 1-6,5-7 |
| ITF M15 Valldoreix | 2021/05/09 13:00 | Matvey Minin v Ryan Nijboer | 6-7,2-6 |
| ITF M15 St Petersburg | 2021/04/15 13:40 | Matvey Minin v Savriyan Danilov | 3-6,1-6 |
| ITF M15 St Petersburg | 2021/04/13 10:30 | Matvey Minin v Boris Pokotilov | 6-4,6-7,6-3 |
| ITF M15 St Petersburg | 2021/04/12 08:35 | Matvey Minin v Stepan Pecak | 7-5,6-3 |
| ITF M15 St Petersburg Qual | 2021/04/11 13:30 | Matvey Minin v Egor Novikov | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/04 07:00 | Martin Borisiouk v Matvey Minin | 6-3,6-4 |
| ITF M25 La Nucia | 2021/03/16 08:30 | Imanol L Morillo v Matvey Minin | 6-2,6-3 |
| ITF M25 La Nucia | 2021/03/15 11:00 | Lluc Mir Anglada v Matvey Minin | 6-7,0-6 |