| Challenger Ibague | 06/25 15:30 | 25 | Leonardo Aboian v Gonzalo Villanueva | 7-6,7-6 | |
| Challenger Santa Cruz | 06/17 21:00 | 25 | [389] Gonzalo Villanueva v Alejo Lorenzo Lingua Lavallen [398] | 4-6,2-6 | |
| Challenger Lima | 06/12 19:05 | 26 | [181] Juan Manuel Cerundolo v Gonzalo Villanueva [392] | 6-4,6-1 | |
| 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 |
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.