Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Cancun | 2021/10/15 17:00 | Giles Hussey v Alejandro Mendoza | 6-3,6-1 |
| ITF M15 - Cancun | 2021/10/13 20:10 | Alejandro H Franco v Alejandro Mendoza | 6-4,5-7,0-6 |
| ITF M15 - Cancun | 2021/10/05 15:30 | Alejandro Mendoza v Sho Shimabukuro | 7-6,3-6,1-6 |
| ITF M15 - Cancun | 2021/09/28 17:00 | Alejandro Mendoza v Seita Watanabe | 6-7,0-6 |
| Challenger - Ambato | 2021/09/19 17:10 | Alejandro Gonzalez v Alejandro Mendoza | 6-2,6-2 |
| Challenger - Quito | 2021/09/13 15:00 | Alexis Gautier v Alejandro Mendoza | 6-1,6-0 |
| ITF M15 - Ibague | 2021/09/10 18:30 | Alejandro Mendoza v Alejandro Gomez | 3-6,6-3,3-6 |
| ITF M15 - Ibague | 2021/09/09 14:30 | Alejandro Mendoza v Enrique Pena | 6-2,6-2 |
| ITF M15 - Cancun | 2021/10/13 19:50 | Emil Reinberg v Sho Shimabukuro | 5-7,4-6 |
| ITF M15 - Cancun | 2021/10/12 14:00 | Luis Britto v Emil Reinberg | 3-6,4-6 |
| ITF M15 - Cancun | 2021/10/11 18:00 | Alfredo Casso v Emil Reinberg | 5-7,0-6 |
| ITF M15 - Cancun | 2021/10/10 16:30 | Gabriel Evans v Emil Reinberg | 4-6,6-1,3-10 |
| ITF M15 - Cancun | 2021/10/07 17:50 | Emil Reinberg v Seita Watanabe | 6-4,3-6,4-6 |
| ITF M15 - Cancun | 2021/10/06 15:30 | Gerardo L Villasenor v Emil Reinberg | 7-6,1-6,2-6 |
| ITF M15 - Cancun | 2021/10/05 14:00 | Emil Reinberg v Luis Britto | 7-5,6-1 |
| ITF M15 - Cancun | 2021/10/04 16:30 | Joao Victor C Loureiro v Emil Reinberg | 7-6,4-6,6-10 |