Stadium: Cancha 1 Round: 24 Ground: Clay
| ITF Argentina F5 | 2018/09/13 15:35 | Gonzalo Villanueva v Rafael Matos | 6-2,6-2 |
| ITF Brazil F3 | 2018/05/08 13:00 | Gonzalo Villanueva v Rafael Matos | 2-6,6-3,3-6 |
| ITF Brazil F2 | 2018/05/06 15:00 | Gonzalo Villanueva v Rafael Matos | 1-6,3-6 |
| Challenger Guayaquil | 2019/10/29 16:00 | Gonzalo Villanueva v Pedro Sousa | 2-6,2-6 |
| Challenger Guayaquil | 2019/10/28 20:10 | Gonzalo Villanueva v Antonio Cayetano March | 6-4,6-3 |
| 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 |
| Challenger Guayaquil | 2019/10/29 16:00 | Pedja Krstin v Rafael Matos | 6-7,6-3,6-1 |
| Challenger Guayaquil | 2019/10/28 16:00 | Rafael Matos v Juan Diego Rojas | 6-0,6-1 |
| Challenger Lima | 2019/10/24 17:35 | Facundo Bagnis v Rafael Matos | 6-3,6-2 |
| Challenger Lima | 2019/10/22 20:05 | Rafael Matos v Conner Huertas Del Pino | 6-4,6-1 |
| Challenger Lima | 2019/10/21 14:30 | Rafael Matos v Rodrigo Sanchez | 4-6,6-4,6-0 |
| ITF - Sao Paulo M25 | 2019/10/20 16:55 | Bastian Malla v Rafael Matos | 6-3,6-2 |
| ITF - Sao Paulo M25 | 2019/10/19 16:30 | Igor Marcondes v Rafael Matos | 6-3,4-6,5-7 |
| ITF - Sao Paulo M25 | 2019/10/17 16:25 | Alejo Lorenzo Lingua Lavallen v Rafael Matos | 6-7,3-6 |