Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Bolivia F3 | 2017/10/03 20:00 | Mendoza, Alejandro v Mantilla, Felipe | 1-6,3-6 |
| ITF M25 Pensacola | 2019/05/10 15:00 | Juan Pablo Varillas v Mantilla, Felipe | 6-4,6-1 |
| ITF M25 Pensacola | 2019/05/09 16:25 | Mwendwa Mbithi v Mantilla, Felipe | 5-7,3-6 |
| ITF M25 Pensacola | 2019/05/08 19:10 | Adrian Andreev v Mantilla, Felipe | 4-6,2-6 |
| Puerto Vallarta, Mexico | 2019/04/29 16:00 | Krainik, Pavel v Mantilla, Felipe | 6-3,6-4 |
| Challenger Leon | 2019/04/23 16:00 | Gomez, Lucas v Mantilla, Felipe | 7-6,6-4 |
| Challenger Leon | 2019/04/22 15:00 | Camilo Ugo Carabelli v Mantilla, Felipe | 1-6,6-7 |
| ITF M15 Orange Park | 2019/04/18 15:00 | Dmitry Popko v Mantilla, Felipe | 6-1,6-3 |
| ITF M15 Orange Park | 2019/04/16 14:00 | Hamilton, Grey v Mantilla, Felipe | 2-6,4-6 |
| ITF M15 Cancun | 2019/09/09 15:00 | Mendoza, Alejandro v Fortin, Michel-Alexandre | 6-2,6-3 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/15 15:10 | Mendoza, Alejandro v Boris Arias | 3-6,6-7 |
| ITF M15 Santa Cruz | 2019/08/08 22:00 | Mendoza, Alejandro v Blumenberg, Alex | 6-3,3-6,2-6 |
| ITF M15 Santa Cruz | 2019/08/08 00:10 | Mendoza, Alejandro v Ku Meza, Andre | 6-3,6-2 |
| ITF M15 Cancun | 2019/08/02 13:30 | Thirouin, Jean v Mendoza, Alejandro | 6-4,7-5 |
| ITF M15 Cancun | 2019/08/01 15:30 | Aramburu Contreras, Ivar Jose v Mendoza, Alejandro | 3-6,2-6 |
| ITF M15 Cancun | 2019/07/30 13:30 | Noah Schachter v Mendoza, Alejandro | 2-6,3-6 |
| ITF M15 Cancun | 2019/07/23 15:15 | Mendoza, Alejandro v Estevez Maximiliano | 6-4,4-6,4-6 |