Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 - Santander | 2021/08/27 10:30 | Imanol L Morillo v Oscar Jose Gutierrez | 6-3,6-3 |
| ITF M25 - Santander | 2021/08/26 09:00 | Andrey Chepelev v Oscar Jose Gutierrez | 3-6,5-7 |
| ITF M25 - Santander | 2021/08/24 10:15 | Kuzey Cekirge v Oscar Jose Gutierrez | 7-5,2-6,1-6 |
| ITF M25 - Muttenz | 2021/08/20 11:00 | Jerome Kym v Oscar Jose Gutierrez | 4-6,6-2,6-3 |
| ITF M25 - Muttenz | 2021/08/19 10:35 | Luca Castelnuovo v Oscar Jose Gutierrez | 1-6,2-6 |
| ITF M25 - Muttenz | 2021/08/17 14:10 | Mateus Alves v Oscar Jose Gutierrez | 3-6,6-2,1-6 |
| Challenger - San Marino | 2021/08/08 12:50 | Orlando Luz v Oscar Jose Gutierrez | 7-5,6-3 |
| ITF M25 - Bolzano | 2021/08/03 18:35 | Arthur Reymond v Oscar Jose Gutierrez | 6-4,3-6,6-2 |
| ITF M25 - Santander | 2021/08/28 10:55 | Juan Bautista Torres v Nicolas Alvarez Varona | 3-6,3-6 |
| ITF M25 - Santander | 2021/08/27 14:30 | Juan Bautista Torres v Carlos Sanchez Jover | 4-6,6-3,6-3 |
| ITF M25 - Santander | 2021/08/26 10:45 | Benjamin Winter Lopez v Juan Bautista Torres | 6-1,1-6,2-6 |
| ITF M25 - Santander | 2021/08/24 08:55 | Carlos Lopez Montagud v Juan Bautista Torres | 4-6,2-6 |
| ITF - M15 Monastir | 2021/08/12 08:00 | Juan Bautista Torres v Santiago Rodriguez Taverna | 2-6,6-4,5-7 |
| ITF - M15 Monastir | 2021/08/11 07:30 | Juan Bautista Torres v Hady Habib | 6-3,6-4 |
| ITF M15 - Caïro | 2021/08/07 08:00 | Jose Fco. Vidal Azorin v Juan Bautista Torres | 6-4,4-6,6-4 |
| ITF M15 - Caïro | 2021/08/06 08:00 | Juan Bautista Torres v Oleksandr Ovcharenko | 6-4,6-2 |