Stadium: Court 7 Round: 26 Ground: Clay
| ITF M25 Madrid | 2021/09/15 09:40 | Miguel Fernando Pereira v Pablo Llamas Ruiz | 3-6,3-6 |
| Challenger Seville | 2021/09/08 11:00 | Flavio Cobolli v Pablo Llamas Ruiz | 6-3,7-5 |
| ITF M25 Oviedo | 2021/09/01 10:30 | Oriol Roca Batalla v Pablo Llamas Ruiz | 7-6,7-5 |
| ITF M25 Oviedo | 2021/08/31 12:00 | Pablo Llamas Ruiz v Ivan Gakhov | 6-1,3-6,7-5 |
| ITF M25 Santander | 2021/08/26 15:00 | Pablo Llamas Ruiz v Pol Martin Tiffon | 2-6,3-6 |
| ITF M25 Santander | 2021/08/24 10:15 | Pablo Llamas Ruiz v Jordi Mas De Ugarte | 6-4,6-2 |
| ITF M25 Denia | 2021/07/28 07:55 | Javier Barranco Cosano v Pablo Llamas Ruiz | 6-1,7-6 |
| ITF M25 Gandia | 2021/07/21 07:30 | Pablo Llamas Ruiz v Alex M Pujolras | 6-3,3-6,4-6 |
| ITF M25 Madrid | 2021/09/14 09:00 | Pol Toledo Bague v Oscar Jose Gutierrez | 3-6,2-6 |
| ITF M25 Oviedo | 2021/09/02 09:00 | Oscar Jose Gutierrez v Alejandro Garcia | 2-6,3-6 |
| ITF M25 Oviedo | 2021/09/01 12:40 | Oscar Jose Gutierrez v Diego A B Sanchez | 6-3,7-5 |
| ITF M25 Oviedo | 2021/08/31 10:15 | Oscar Jose Gutierrez v Juan Bautista Torres | 6-3,6-4 |
| 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 |