| UTR Pro Tennis Series Barcelona | 2021/12/12 13:30 | Sergio Redondo v Gabarro, Xavier | 0-0 |
| UTR Pro Tennis Series Barcelona | 2021/12/12 09:30 | Jay Friend v Sergio Redondo | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/12/11 11:00 | Sergio Redondo v Tomas Curras | 6-4,2-6,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/12/09 09:30 | Sergio Redondo v Stefanos Sakellaridis | 3-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/12/08 10:30 | Sergio Redondo v Ilya Snitari | 3-6,6-3,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/12/07 13:45 | Sergio Redondo v Toledo Bague, Pol | 6-2,2-6,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/12/06 12:00 | Sergio Redondo v Yanais Laurent | 4-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/28 11:00 | Sergio Redondo v Stefanos Sakellaridis | 6-0,6-3 |
| ITF M15 Cancun | 2021/11/30 16:00 | Miralles, Borja v Rousseau, Hillel | 2-6,1-6 |
| ITF M15 Cancun | 2021/11/22 14:00 | Miralles, Borja v Gabriel Evans | 1-6,6-7 |
| ITF M15 East Lansing | 2021/11/15 18:00 | Miralles, Borja v Mostardi, Nico | 6-3,2-6,4-10 |
| ITF M15 Ithaca | 2021/10/06 13:00 | Miralles, Borja v Rimondini, Pietro | 1-6,2-6 |
| ITF M15 Ithaca | 2021/10/05 13:00 | Reyes, Nicholas Alexander v Miralles, Borja | 5-7,4-6 |
| ITF - M15 Monastir | 2019/12/15 08:00 | Miralles, Borja v Kulibaba, Artur | 2-6,3-6 |
| ITF M25 Bakio | 2019/07/01 12:30 | Miralles, Borja v Ignacio B Alia | 3-6,4-6 |