Stadium: Cancha 7 Round: 24 Ground: Clay
| ITF Argentina F2 | 2014/12/09 15:00 | Gonzalo Villanueva v Molteni, Andres | 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 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 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/20 15:00 | Facundo Diaz Acosta v Gonzalo Villanueva | 5-7,1-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/19 12:00 | Vernier, Michel v Gonzalo Villanueva | 6-7,6-3,4-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/09/18 15:50 | Moreno, Federico v Gonzalo Villanueva | 1-6,3-6 |
| Challenger - Prostejov | 2019/06/02 08:00 | Nejedly, Pavel v Molteni, Andres | 4-6,6-2,7-5 |
| Montevideo, Uruguay | 2018/11/03 14:40 | Dima, Dragos v Molteni, Andres | 6-3,6-4 |
| Challenger Szczecin | 2018/09/09 09:00 | Marcora, Roberto v Molteni, Andres | 6-4,6-0 |
| Challenger Szczecin | 2018/09/08 09:00 | Souza, Joao Olavo v Molteni, Andres | 6-3,5-7,6-7 |
| ATP Gstaad Qual | 2018/07/21 15:05 | Zopp, Jurgen v Molteni, Andres | 6-2,6-3 |
| Challenger Santiago 2 Qual | 2017/11/11 17:00 | Roberto Carballes Baena v Molteni, Andres | 6-0,6-2 |
| Challenger Santiago 2 Qual | 2017/11/11 13:00 | Cuevas, Carlos v Molteni, Andres | 0-6,1-6 |
| Challenger Montevideo Qual | 2017/11/05 15:30 | Arguello, Facundo v Molteni, Andres | 6-7,3-6 |