| Challenger - Lima | 06/12 19:00 | 26 | Juan Manuel Cerundolo vs Gonzalo Villanueva | View |
| Challenger - Lima | 06/11 15:00 | 25 | Harrison Adams v Gonzalo Villanueva | 4-6,2-6 | |
| Challenger - Lima | 06/11 15:00 | - | Blaise Bicknell v Gonzalo Villanueva | View | |
| Challenger - Lima | 06/10 15:00 | 25 | Blaise Bicknell v Gonzalo Villanueva | CANC | |
| Challenger - Santa Fe | 06/08 15:55 | 28 | [292] Andrea Collarini v Gonzalo Villanueva [420] | 7-5,6-3 | |
| Challenger - Santa Fe | 06/07 14:00 | 27 | [417] Tomas Farjat v Gonzalo Villanueva [420] | 7-5,5-7,4-6 | |
| Challenger - Santa Fe | 06/06 17:05 | 26 | Gonzalo Villanueva v Ezequiel Monferrer | 6-4,6-4 | |
| Challenger - Santa Fe | 06/04 16:00 | 25 | Gonzalo Villanueva v Juan Estevez | 6-1,6-3 | |
| Challenger - Santos | 05/10 19:05 | 27 | [427] Gonzalo Villanueva v Santiago Rodriguez Taverna [246] | 3-6,6-7 | |
| Challenger - Santos | 05/08 22:20 | 26 | [300] Pedro Sakamoto v Gonzalo Villanueva [427] | 6-3,2-6,3-6 | |
| Challenger - Santos | 05/06 20:30 | 25 | Wilson Leite v Gonzalo Villanueva | 4-6,2-6 | |
| Challenger - Porto Alegre | 05/02 13:00 | 26 | [464] Daniel Dutra Da Silva v Gonzalo Villanueva [423] | 6-1,6-3 | |
| Challenger - Porto Alegre | 04/30 14:30 | 25 | Luis Miguel v Gonzalo Villanueva | 2-6,0-6 |
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.