Estadio: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/16 07:30 | Mwendwa Mbithi v Alan F R Fierros | 6-7,6-4,10-6 |
| ITF M15 Cancun | 2019/06/25 13:30 | Alan F R Fierros v Mwendwa Mbithi | 5-7,3-6 |
| ITF M15 Orlando | 2019/06/18 13:00 | Mwendwa Mbithi v Alan F R Fierros | 6-2,6-2 |
| ITF M15 Cancun | 2021/11/24 14:00 | Miles Jones v Alan F R Fierros | 7-5,3-6,1-6 |
| ITF M15 Cancun | 2021/11/23 14:00 | Andres Chavez v Alan F R Fierros | 2-6,1-6 |
| ITF M25 Portimão | 2021/10/27 12:30 | Michael Zhu v Alan F R Fierros | 6-4,6-1 |
| ITF M25 Portimão | 2021/10/26 09:00 | Diogo Morais v Alan F R Fierros | 4-6,2-6 |
| ITF M25 Portimão | 2021/10/25 13:30 | Max Cunat v Alan F R Fierros | 5-7,3-6 |
| ITF M25 Quinta Do Lago | 2021/10/20 10:30 | Alan F R Fierros v Anton Matusevich | 0-6,4-6 |
| ITF M25 Quinta Do Lago | 2021/10/18 13:55 | Alan F R Fierros v Noah Thurner | 6-2,6-0 |
| ITF M25 Loulé | 2021/10/12 09:30 | Adria Soriano Barrera v Alan F R Fierros | 6-4,6-4 |
| ITF M15 Cancun | 2021/11/23 14:00 | Lucca Pinto v Mwendwa Mbithi | 0-6,2-6 |
| ITF M15 Cancun | 2021/10/23 15:00 | Victor Lilov v Mwendwa Mbithi | 6-2,6-1 |
| ITF M15 Cancun | 2021/10/22 15:00 | Mwendwa Mbithi v Gerardo L Villasenor | 6-3,3-6,6-3 |
| ITF M15 Cancun | 2021/10/21 14:00 | Mwendwa Mbithi v Samuel Sanchez | 7-6,6-2 |
| ITF M15 Cancun | 2021/10/20 15:00 | Mwendwa Mbithi v Luciano Doria | 6-1,6-3 |
| ITF M15 Cancun | 2021/10/12 15:30 | Matias Franco Descotte v Mwendwa Mbithi | 6-4,6-3 |
| ITF M15 Cancun | 2021/10/06 16:30 | Mwendwa Mbithi v Juan A H Serrano | 3-6,2-6 |
| ITF M15 Monastir | 2021/09/08 08:00 | Skander Mansouri v Mwendwa Mbithi | 6-4,7-5 |