Stadium: Cancha 7 Round: 24 Ground: Clay
| ITF Argentina F2 | 2014/12/09 15:00 | Gonzalo Villanueva v Andres Molteni | 0-6,6-7 |
| 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 Buenos Aires | 2019/09/20 15:00 | Facundo Diaz Acosta v Gonzalo Villanueva | 5-7,1-6 |
| ITF M15 Buenos Aires | 2019/09/19 12:00 | Michel Vernier v Gonzalo Villanueva | 6-7,6-3,4-6 |
| ITF M15 Buenos Aires | 2019/09/18 15:50 | Federico Moreno v Gonzalo Villanueva | 1-6,3-6 |
| Challenger Prostejov | 2019/06/02 08:00 | Pavel Nejedly v Andres Molteni | 4-6,6-2,7-5 |
| Challenger Montevideo | 2018/11/03 14:40 | Dragos Dima v Andres Molteni | 6-3,6-4 |
| Challenger Szczecin | 2018/09/09 09:00 | Roberto Marcora v Andres Molteni | 6-4,6-0 |
| Challenger Szczecin | 2018/09/08 09:00 | Joao Souza v Andres Molteni | 6-3,5-7,6-7 |
| ATP Gstaad Qual | 2018/07/21 15:05 | Jurgen Zopp v Andres Molteni | 6-2,6-3 |
| Challenger Santiago 2 Qual | 2017/11/11 17:00 | Roberto Carballes Baena v Andres Molteni | 6-0,6-2 |
| Challenger Santiago 2 Qual | 2017/11/11 13:00 | Carlos Cuevas v Andres Molteni | 0-6,1-6 |
| Challenger Montevideo Qual | 2017/11/05 15:30 | Facundo Arguello v Andres Molteni | 6-7,3-6 |