Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Monastir | 2021/07/25 12:00 | Inigo G Olasagasti v Davide Innocenti | 4-6,4-6 |
| ITF M15 Monastir | 2021/07/19 09:00 | Inigo G Olasagasti v Leonardo L Linquet | 0-6,1-6 |
| ITF M15 Antalya | 2021/06/28 11:55 | Stefanos Sakellaridis v Inigo G Olasagasti | 6-3,6-4 |
| ITF M15 Antalya | 2021/06/27 06:30 | Inigo G Olasagasti v Petr Bar Biryukov | 7-6,1-6,10-5 |
| ITF M15 Antalya | 2021/06/20 07:00 | Kenneth Raisma v Inigo G Olasagasti | 6-4,6-3 |
| ITF M15 Marbella | 2021/05/23 08:00 | Inigo G Olasagasti v Jose Joaquin M Cisneros | 3-6,1-6 |
| ITF M15 Cairo | 2021/04/18 08:30 | Yanais Laurent v Inigo G Olasagasti | 6-2,6-1 |
| ITF M15 Cairo | 2021/04/12 08:30 | Inigo G Olasagasti v Manfred Fellin | 2-6,2-6 |
| ITF M25 Denia | 2021/07/28 14:00 | Fermin Tenti v Eduard Esteve Lobato | 0-6,5-7 |
| ITF M15 Poprad | 2021/07/07 07:55 | Tomas Jirousek v Fermin Tenti | 6-3,0-6,7-5 |
| ITF M15 Antalya | 2021/06/29 06:30 | Marco Miceli v Fermin Tenti | 6-2,6-2 |
| ITF M15 Antalya | 2021/06/24 07:00 | Fermin Tenti v Facundo Juarez | 2-6,0-6 |
| ITF M15 Antalya | 2021/06/23 07:00 | Fermin Tenti v Marco Furlanetto | 6-1,6-3 |
| ITF M15 Antalya | 2021/06/17 10:35 | Savva Polukhin v Fermin Tenti | 3-6,6-3,6-3 |
| ITF M15 Antalya | 2021/06/16 14:05 | Joao Lucas Reis da Silva v Fermin Tenti | 2-6,5-7 |
| ITF M15 Antalya | 2021/06/10 07:00 | Fermin Tenti v Mircea-Alexandru Jecan | 3-6,6-4,2-6 |