| UTR Pro Tennis Series California | 2021/02/27 17:30 | Mendoza, Alejandro v Miles Jones | 4-6,1-6 |
| UTR Pro Tennis Series California | 2021/02/25 16:50 | Mendoza, Alejandro v Ryan James Storrie | 1-6,1-6 |
| UTR Pro Tennis Series California | 2021/02/13 20:30 | Mendoza, Alejandro v Karl Lee | 3-6,4-5 |
| UTR Pro Tennis Series California | 2021/02/12 16:00 | Mendoza, Alejandro v Samuel Sippel | 0-0 |
| UTR Pro Tennis Series California | 2021/02/11 22:00 | Mendoza, Alejandro v Brymer, Gage | 0-6,0-5 |
| ITF - M15 Santo Domingo | 2020/12/07 14:00 | Mendoza, Alejandro v Caballer, Joaquin | 4-6,3-6 |
| ITF - M15 Santo Domingo | 2020/12/01 13:30 | Mendoza, Alejandro v Telles, Leonardo | 1-6,1-6 |
| ITF - M15 Santo Domingo | 2020/11/30 13:30 | Mendoza, Alejandro v Ansari, Austin Ansari | 6-4,6-4 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 11:00 | Oskar Brostrom Poulsen v Klov Nilsson, Jesper | 3-6,3-6 |