| ITF Argentina F2 | 06/13 17:30 | 25 | Gonzalo Villanueva v Alan Kohen | 6-0,6-1 | |
| ITF Argentina F1 | 06/07 16:10 | 26 | Alan Kohen v Gonzalo Villanueva | 6-4,7-6 | |
| ITF Argentina F1 | 06/06 12:30 | 25 | Felipe Mantilla v Gonzalo Villanueva | 3-6,2-6 | |
| ITF Spain F10 | 04/04 10:50 | 25 | Gonzalo Villanueva v Maxime Hamou | 6-1,2-6,4-6 | |
| ITF Spain F10 Qual | 04/03 09:00 | 62 | Gonzalo Villanueva v Boris Pokotilov | 6-4,6-4 | |
| ITF Spain F10 Qual | 04/02 08:00 | 62 | Gonzalo Villanueva v Miguel Damas | 6-4,6-3 | |
| ITF Spain F9 | 03/29 10:00 | 25 | Daniel Dutra Da Silva v Gonzalo Villanueva | 6-3,6-4 | |
| ITF Spain F9 Qual | 03/27 15:50 | 62 | Gonzalo Villanueva v Vincent Jaensch-Mueller | 4-6,7-5,7-5 | |
| ITF Spain F8 | 03/21 10:55 | 25 | Oriol Roca Batalla v Gonzalo Villanueva | 6-4,6-3 | |
| ITF Spain F7 | 03/14 11:30 | 25 | Gonzalo Villanueva v Pedro Cachin | 3-6,0-6 | |
| ITF Spain F6 | 02/20 11:00 | 25 | Gonzalo Villanueva v Marcos Giraldi Requena | 2-6,3-6 | |
| ITF Spain F5 | 02/14 10:00 | 25 | Pedro Cachin v Gonzalo Villanueva | 2-6,7-6,6-4 | |
| ITF Spain F4 | 02/07 08:30 | 25 | Daniel Munoz-De La Nava v Gonzalo Villanueva | 6-3,6-2 | |
| ITF Spain F3 | 02/01 09:00 | 26 | Gonzalo Villanueva v Alexander Ward | 4-6,7-5,2-6 | |
| ITF Spain F3 | 01/30 11:00 | 25 | Alberto R D A Senise v Gonzalo Villanueva | 2-6,1-6 | |
| ITF Spain F2 | 01/26 12:30 | 26 | Gonzalo Villanueva v Ricardo Ojeda Lara | 0-6,3-6 | |
| ITF Spain F2 | 01/25 09:00 | 25 | Gonzalo Villanueva v Imanol L Morillo | 5-7,6-4,7-6 | |
| ITF Uruguay F3 | 12/13 16:10 | 25 | Gonzalo Villanueva v Orlando Luz | 3-6,4-6 | |
| ITF Uruguay F2 | 12/08 17:00 | 27 | Gonzalo Villanueva v Joao Pedro Sorgi | 3-6,3-6 | |
| ITF Uruguay F2 | 12/07 16:35 | 26 | Gonzalo Villanueva v Nicolas Santos | 6-4,2-6,6-1 | |
| ITF Uruguay F2 | 12/06 17:00 | 25 | Gonzalo Villanueva v Marcel Felder | 6-1,7-5 | |
| ITF Uruguay F1 | 12/02 14:00 | 28 | Orlando Luz v Gonzalo Villanueva | 6-1,6-7,7-6 | |
| ITF Uruguay F1 | 12/01 16:35 | 27 | Gonzalo Villanueva v Rodrigo Arus | 6-3,3-6,6-1 | |
| ITF Uruguay F1 | 11/30 16:50 | 26 | Gonzalo Villanueva v Alejo Vilaro | 6-3,6-2 | |
| ITF Uruguay F1 | 11/28 14:15 | 25 | Gonzalo Villanueva v Lourenco Gasperini | 6-1,6-0 | |
| ITF Argentina F13 | 11/10 13:00 | 27 | Tomas Lipovsek Puches v Gonzalo Villanueva | 6-4,6-2 | |
| ITF Argentina F13 | 11/09 13:00 | 26 | Gaston E Cantero v Gonzalo Villanueva | 1-6,2-6 | |
| ITF Argentina F13 | 11/07 16:40 | 25 | Franco Ribero v Gonzalo Villanueva | 4-6,2-6 | |
| ITF Argentina F12 | 10/31 23:00 | 25 | Santiago F R Taverna v Gonzalo Villanueva | 6-3,1-6,7-6 | |
| ITF Argentina F11 | 10/27 17:35 | 27 | Tomas Lipovsek Puches v Gonzalo Villanueva | 6-4,1-6,6-2 |
Gonzalo Villanueva (born 13 January 1995) is an Argentine tennis player.
Villanueva has a career high ATP singles ranking of 268 achieved on 10 October 2022. He also has a career high ATP doubles ranking of 278 achieved on 8 August 2022.
Villanueva made his ATP main draw debut at the 2022 Los Cabos Open after entering the singles main draw as a lucky loser.