Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| 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 Monastir | 2021/08/15 08:30 | Mwendwa Mbithi v Matas Vasiliauskas | 7-5,6-3 |
| ITF M15 Monastir | 2021/08/08 07:30 | Mwendwa Mbithi v Takuya Kumasaka | 6-2,6-7,2-10 |
| ITF M25 Weston | 2021/06/29 21:00 | Mwendwa Mbithi v Ben Shelton | 4-6,6-7 |
| ITF M25 Pensacola | 2021/05/19 14:30 | Mwendwa Mbithi v Oliver Crawford | 5-7,4-6 |
| ITF M25 Naples | 2021/02/16 16:00 | Mwendwa Mbithi v Kiranpal Pannu | 4-6,3-6 |
| ITF M25 Naples | 2021/02/15 16:00 | Wilson Leite v Mwendwa Mbithi | 6-2,3-6,3-10 |
| ITF M15 Cancun | 2020/03/12 14:00 | Mwendwa Mbithi v Mauricio Echazu | 6-4,5-7,7-5 |
| ITF M15 Cancun | 2020/03/10 16:55 | Mwendwa Mbithi v Michael A Beltran Rubio | 6-0,6-0 |
| ITF M15 Monastir | 2021/08/15 08:30 | Samir Hamza Reguig v Alan F R Fierros | 5-7,1-6 |
| ITF M15 Monastir | 2021/08/10 07:30 | Takuya Kumasaka v Alan F R Fierros | 6-1,6-4 |
| ITF M15 Monastir | 2021/08/09 07:30 | Alan F R Fierros v Siddhant Banthia | 7-6,6-2 |
| ITF M15 Monastir | 2021/08/08 09:30 | Alan F R Fierros v Robin Bertrand | 2-6,4-6 |
| ITF M15 L'Aquila | 2021/07/12 08:00 | Alan F R Fierros v Federico Bertuccioli | 7-5,4-6,8-10 |
| ITF M15 L'Aquila | 2021/07/11 07:00 | Lorenzo Lorusso v Alan F R Fierros | 4-6,2-6 |
| UTR Pro Tennis Series Cancun | 2020/11/21 14:00 | Alejandro H Franco v Alan F R Fierros | 6-2,6-3 |
| UTR Pro Tennis Series Cancun | 2020/11/18 14:00 | Julian Cash v Alan F R Fierros | 7-6,6-2 |