Stadion: Court 5 Round: 25 Ground: Clay
| ITF - M15 - Buenos Aires | 2019/09/20 15:00 | Facundo Diaz Acosta v Gonzalo Villanueva | 5-7,1-6 |
| ATP - Buenos Aires | 2020/02/11 19:10 | Facundo Diaz Acosta v Pedro Sousa | 6-4,2-6,3-6 |
| ATP - Cordoba | 2020/02/02 15:25 | Facundo Diaz Acosta v Pedro Martinez | 4-6,3-6 |
| ATP - Cordoba | 2020/02/01 19:20 | Alessandro Giannessi v Facundo Diaz Acosta | 1-6,6-3,2-6 |
| Challenger Punta del Este | 2020/01/27 22:00 | Juan Manuel Cerundolo v Facundo Diaz Acosta | 6-4,6-4 |
| ITF - M25 Rancho Santa Fe | 2020/01/15 21:05 | Facundo Diaz Acosta v Geoffrey Blancaneaux | 6-7,5-7 |
| ITF - M25 Rancho Santa Fe | 2020/01/14 17:30 | Facundo Diaz Acosta v Karol Drzewiecki | 6-2,6-4 |
| ITF - M25 - Los Angeles | 2020/01/09 21:05 | Raymond Sarmiento v Facundo Diaz Acosta | 6-4,6-4 |
| ITF - M25 - Los Angeles | 2020/01/08 21:40 | Karol Drzewiecki v Facundo Diaz Acosta | 3-6,3-6 |
| ITF - M25 - Punta del Este | 2020/02/20 13:00 | Santiago Rodriguez Taverna v Gonzalo Villanueva | 3-6,6-1,6-4 |
| ITF - M25 - Punta del Este | 2020/02/19 16:25 | Mariano Kestelboim v Gonzalo Villanueva | 1-6,7-6,2-6 |
| ITF - M25 - Punta del Este | 2020/02/18 19:35 | Agustin Riquelme Coppari v Gonzalo Villanueva | 1-6,1-6 |
| ITF - M25 - Lima | 2020/02/14 17:25 | Pedro Sakamoto v Gonzalo Villanueva | 6-3,6-4 |
| ITF - M25 - Lima | 2020/02/11 17:00 | Gonzalo Bueno v Gonzalo Villanueva | 2-6,1-6 |
| ITF - M25 - Lima | 2020/02/05 14:30 | Tomas Barrios Vera v Gonzalo Villanueva | 6-3,6-3 |
| Challenger Punta del Este | 2020/01/29 22:00 | Marco Cecchinato v Gonzalo Villanueva | 6-0,6-3 |
| Challenger Punta del Este | 2020/01/28 00:10 | Gonzalo Villanueva v Juan Martin Fumeaux | 6-2,6-0 |