Round: 25 Ground: Clay
| ITF Brazil F2 | 2015/06/16 15:35 | Gonzalo Villanueva v Alexandre Tsuchiya | 3-6,7-5,6-3 |
| ITF Argentina F3 | 2015/03/23 12:00 | Alexandre Tsuchiya v Gonzalo Villanueva | 4-6,0-6 |
| ITF Spain F6 | 2017/02/20 11:00 | Gonzalo Villanueva v Marcos Giraldi Requena | 2-6,3-6 |
| ITF Spain F5 | 2017/02/14 10:00 | Pedro Cachin v Gonzalo Villanueva | 2-6,7-6,6-4 |
| ITF Spain F4 | 2017/02/07 08:30 | Daniel Munoz-De La Nava v Gonzalo Villanueva | 6-3,6-2 |
| ITF Spain F3 | 2017/02/01 09:00 | Gonzalo Villanueva v Alexander Ward | 4-6,7-5,2-6 |
| ITF Spain F3 | 2017/01/30 11:00 | Alberto Romero De Avila Senise v Gonzalo Villanueva | 2-6,1-6 |
| ITF Spain F2 | 2017/01/26 12:30 | Gonzalo Villanueva v Ricardo Ojeda Lara | 0-6,3-6 |
| ITF Spain F2 | 2017/01/25 09:00 | Gonzalo Villanueva v Imanol L Morillo | 5-7,6-4,7-6 |
| ITF Uruguay F3 | 2016/12/13 16:10 | Gonzalo Villanueva v Orlando Luz | 3-6,4-6 |
| Challenger Curitiba Qual | 2016/08/27 16:30 | Alexandre Tsuchiya v Alex Blumenberg | 3-6,3-6 |
| ITF Brazil F4 | 2016/07/20 13:00 | Filipe Brandao v Alexandre Tsuchiya | 6-2,6-4 |
| ITF Brazil F4 | 2016/07/19 13:00 | Marcelo Tebet v Alexandre Tsuchiya | 4-6,3-6 |
| ITF Brazil F2 | 2016/07/06 18:25 | Alexandre Tsuchiya v Rafael Matos | 6-4,3-6,1-6 |
| ITF Brazil F2 | 2016/07/05 16:00 | Alexandre Tsuchiya v Gerardo Irarrazabal | 7-5,6-2 |
| ITF Brazil F1 | 2016/06/29 16:15 | Alexandre Tsuchiya v Wilson Leite | 2-6,6-3,2-6 |
| ITF Brazil F1 | 2016/06/27 13:00 | Alexandre Tsuchiya v Rafael Matos | 6-3,6-4 |
| ITF Argentina F8 | 2016/05/22 22:00 | Alexandre Tsuchiya v Mariano Kestelboim | 0-6,0-6 |