Stadium: Cancha Central Round: 24 Ground: Clay
| Challenger Lima | 2019/10/21 19:50 | Krstin, Pedja v Gonzalo Villanueva | 6-3,6-0 |
| Santo Domingo, Dominican Republic | 2019/10/08 23:00 | Gonzalo Villanueva v Hugo Dellien | 2-6,3-6 |
| Santo Domingo, Dominican Republic | 2019/10/07 19:00 | Gonzalo Villanueva v Molteni, Andres | 4-6,6-4,6-2 |
| Challenger Campinas | 2019/10/02 15:20 | Gonzalo Villanueva v Alejandro Tabilo | 0-6,3-6 |
| Challenger Campinas | 2019/10/01 13:00 | Gonzalo Villanueva v Romboli, Fernando | 6-2,6-2 |
| Challenger - Buenos Aires | 2019/09/24 14:00 | Federico Zeballos v Gonzalo Villanueva | 6-4,6-1 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/22 16:50 | Estevez Maximiliano v Gonzalo Villanueva | 6-4,4-6,1-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/21 16:40 | Genaro Alberto Olivieri v Gonzalo Villanueva | 4-6,3-6 |
| ITF - M15 Antalya | 2019/10/09 10:30 | March, Antonio Cayetano v Peter Fajta | 6-7,1-6 |
| ITF - M15 Antalya | 2019/10/03 07:00 | March, Antonio Cayetano v Stevens, Bart | 3-6,4-6 |
| ITF - M15 Antalya | 2019/10/01 08:00 | March, Antonio Cayetano v Samuel Puskar | 6-2,4-6,6-0 |
| ITF - M15 Antalya | 2019/09/26 12:30 | Paul Woerner v March, Antonio Cayetano | 6-4,6-0 |
| ITF - M15 Antalya | 2019/09/26 07:00 | March, Antonio Cayetano v Berk Ilkel | 6-3,6-3 |
| Coupe Davis | 2019/09/15 15:50 | Martinez, Luis David v March, Antonio Cayetano | 7-6,5-7,4-10 |
| ITF M15 Lambare | 2019/08/21 18:35 | Hidalgo, Gabriel Alejandro v March, Antonio Cayetano | 4-6,6-3,6-2 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/16 15:25 | Estevez Maximiliano v March, Antonio Cayetano | 6-2,4-6,6-3 |