Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Cairo | 2021/04/11 11:00 | Zakai Stone v Inigo G Olasagasti | 2-6,5-7 |
| ITF M25 La Nucia | 2021/03/14 13:00 | Inigo G Olasagasti v Leopold Zima | 3-6,1-6 |
| ITF M15 La Nucia | 2021/03/08 11:00 | Inigo G Olasagasti v Ivan Bas Mengual | 2-6,2-6 |
| ITF M25 Villena | 2021/01/31 10:30 | Inigo G Olasagasti v Mattia Bellucci | 3-6,4-6 |
| ITF M15 Benicarlo | 2020/11/22 09:30 | Oleg Prihodko v Inigo G Olasagasti | 7-6,6-1 |
| ITF M15 Melilla | 2020/09/21 10:30 | Inigo G Olasagasti v Bruno P Navarro | 2-6,7-5,5-10 |
| ITF M15 Sintra | 2020/09/13 08:30 | Inigo G Olasagasti v Antonio Cayetano March | 0-6,3-6 |
| ITF M15 Cairo | 2021/04/11 07:00 | Shohei Chikami v Manfred Fellin | 6-7,2-6 |
| ITF M15 Antalya | 2021/03/22 07:00 | Aleksandr Braynin v Manfred Fellin | 6-2,6-3 |
| ITF M15 Antalya | 2021/03/21 07:00 | Elijah Poritzky v Manfred Fellin | 3-6,3-6 |
| ITF M15 Antalya | 2021/03/14 07:00 | Nicolas Parizzia v Manfred Fellin | 6-7,6-3,10-4 |
| ITF M15 Antalya | 2021/03/08 09:00 | Radu Mihai Papoe v Manfred Fellin | 7-5,6-2 |
| ITF M15 Antalya | 2021/03/07 07:00 | Manfred Fellin v Luca Tomasetto | 2-6,6-3,10-8 |
| ITF M15 Antalya | 2021/02/23 06:30 | Manfred Fellin v Oleksandr Ovcharenko | 1-6,5-7 |
| ITF M15 Antalya | 2021/02/22 07:00 | Manfred Fellin v Radu Mihai Papoe | 6-7,6-2,10-4 |