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