Stadium: Court Central Round: 25 Ground: Clay
| Challenger Morelos | 2019/02/19 17:20 | Manuel Sanchez v Gonzalo Villanueva | 6-3,6-3 |
| Challenger Morelos | 2019/02/18 16:00 | Evan Furness v Gonzalo Villanueva | 6-2,6-7,1-6 |
| Challenger Punta del Este | 2019/01/23 14:00 | Gonzalo Villanueva v Nino Serdarusic | 6-7,6-4,4-6 |
| Challenger Punta del Este | 2019/01/21 14:00 | Thiago Seyboth Wild v Gonzalo Villanueva | 6-1,4-6,3-6 |
| Challenger Buenos Aires | 2018/11/13 19:50 | Gonzalo Villanueva v Hugo Dellien | 4-6,3-6 |
| Challenger Buenos Aires | 2018/11/12 14:00 | Manuel Pena Lopez v Gonzalo Villanueva | 3-6,6-3,1-6 |
| Challenger Buenos Aires | 2018/11/11 20:15 | Pedro Sakamoto v Gonzalo Villanueva | 5-7,6-4,2-6 |
| Challenger Montevideo | 2018/11/05 16:00 | Gonzalo Villanueva v Federico Coria | 5-7,1-6 |
| ITF Tunisia F44 | 2018/12/08 10:00 | Jonathan Binding v Alexandre Aubriot | 6-4,3-6,6-2 |
| ITF Tunisia F43 | 2018/12/02 08:00 | Alexandre Aubriot v Francisco Dias | 4-6,4-6 |
| ITF France F20 | 2018/09/29 11:40 | Lucas Bouquet v Alexandre Aubriot | 6-3,6-4 |
| ITF France F13 | 2018/07/09 11:10 | Alexandre Aubriot v Clement Larriere | 6-3,3-6,4-6 |