Stadium: Court 8 Round: 25 Ground: Clay
| Challenger Concepcion | 2022/03/14 13:30 | Nicolas Villalon v Gonzalo Villanueva | 0-6,1-6 |
| Challenger Temuco | 2023/11/29 15:00 | Gonzalo Villanueva v Aleksandar Kovacevic | 4-6,6-7 |
| Challenger Temuco | 2023/11/27 19:20 | Rubin Statham v Gonzalo Villanueva | 3-6,3-6 |
| Challenger Montevideo | 2023/11/12 18:20 | Santiago Rodriguez Taverna v Gonzalo Villanueva | 7-5,7-5 |
| Challenger Lima | 2023/11/05 20:15 | Gonzalo Villanueva v Orlando Luz | 3-6,7-6,4-6 |
| Challenger Curitiba | 2023/10/23 13:00 | Gonzalo Villanueva v Gilbert S K Junior | 4-6,2-6 |
| Challenger Curitiba | 2023/10/22 13:00 | Gonzalo Villanueva v Kaua Lorenzo Santos Gava | 6-2,6-0 |
| Challenger Santa Fe | 2023/10/16 15:40 | Carlos Taberner v Gonzalo Villanueva | 6-1,6-4 |
| Challenger Santa Fe | 2023/10/15 16:35 | Gonzalo Villanueva v Alvaro Guillen Meza | 6-3,4-6,6-3 |
| Challenger Temuco | 2023/11/26 15:10 | Andres Andrade v Nicolas Villalon | 1-6,6-0,6-4 |
| ITF M15 Santa Cruz | 2023/11/21 23:00 | Nicolas Villalon v Juan C P Angelo | 6-4,3-6,0-6 |
| ITF M15 Santa Cruz | 2023/11/20 22:05 | Nicolas Villalon v Thiago Cigarran | 1-6,6-4,10-3 |
| ITF M15 Santa Cruz | 2023/11/19 17:30 | Nicolas Villalon v Gino Romano | 6-3,7-5 |
| ITF M15 Cochabamba | 2023/11/17 21:00 | Tomas Farjat v Nicolas Villalon | 6-3,6-3 |
| ITF M15 Cochabamba | 2023/11/16 19:45 | Nicolas Villalon v Juan C P Angelo | 6-4,7-6 |
| ITF M15 Cochabamba | 2023/11/15 20:45 | Nicolas Villalon v Ramiro Amarilla | 6-4,6-4 |
| ITF M15 Buenos Aires | 2023/08/28 13:00 | Nicolas Villalon v Tobia Grandinetti | 1-6,2-6 |