Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Monastir | 2021/12/07 08:00 | Diego F Flores v Zsombor Velcz | 6-7,3-6 |
| ITF M15 Monastir | 2021/11/30 08:00 | Diego F Flores v Tao Mu | 6-3,2-6,2-6 |
| ITF M15 Monastir | 2021/11/24 11:00 | Michael Zhu v Diego F Flores | 2-6,7-6,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/14 08:00 | Thomas Laurent v Diego F Flores | 6-1,1-0 |
| UTR Pro Tennis Series Barcelona | 2021/11/13 11:30 | Diego F Flores v Andrey Chepelev | 6-1,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/12 17:30 | Diego F Flores v Vlad Cristian Breazu | 6-3,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 18:30 | Diego F Flores v Sergio Redondo | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 15:00 | Xavier Gabarro v Diego F Flores | 4-6,3-6 |
| ITF M15 Torello | 2021/10/31 08:30 | Gerard Oltra Guiral v Michalis Sakellaridis | 2-6,2-6 |
| ITF M15 Girona | 2021/10/17 10:30 | Michalis Sakellaridis v Gerard Oltra Guiral | 7-5,6-4 |
| ITF M15 Xativa | 2021/08/01 10:00 | Gerard Oltra Guiral v Max Alcala Gurri | 1-6,0-6 |
| ITF M25 Uriage | 2021/07/12 09:00 | Gerard Oltra Guiral v Youcef Rihane | 2-6,2-6 |
| ITF M25 Uriage | 2021/07/11 14:00 | Gerard Oltra Guiral v Baptiste Rey | 6-2,7-6 |