Stadium: Center Court (2) Round: 26 Ground: Clay
| ITF Spain F27 | 2016/08/24 09:00 | Giovanni Rizzuti v Gonzalo Villanueva | 4-6,4-6 |
| ITF M25 Kiseljak | 2019/05/31 07:00 | Marko Tepavac v Gonzalo Villanueva | 4-6,1-6 |
| ITF M25 Kiseljak | 2019/05/28 13:15 | Juan Manuel Cerundolo v Gonzalo Villanueva | 6-7,4-6 |
| ITF M15 Brcko | 2019/05/24 10:25 | David Pichler v Gonzalo Villanueva | 7-5,6-2 |
| ITF M15 Brcko | 2019/05/23 09:50 | Kenneth Raisma v Gonzalo Villanueva | 5-7,6-1,2-6 |
| ITF M15 Brcko | 2019/05/22 07:00 | Marek Semjan v Gonzalo Villanueva | 3-6,3-6 |
| ITF M15 Buenos Aires | 2019/05/10 15:45 | Gonzalo Villanueva v Genaro Alberto Olivieri | 0-6,2-6 |
| ITF M15 Buenos Aires | 2019/05/10 12:00 | Gonzalo Villanueva v Santiago Rodriguez Taverna | 6-4,6-1 |
| ITF M15 Buenos Aires | 2019/05/08 17:25 | Gonzalo Villanueva v Oscar Gabriel Ortiz | 6-2,6-3 |
| ITF M25 Vercelli | 2019/05/06 08:30 | Giovanni Rizzuti v Giacomo Dambrosi | 4-6,6-4,8-10 |
| ITF M25 Santa Margherita | 2019/04/09 12:00 | Mircea-Alexandru Jecan v Giovanni Rizzuti | 6-3,6-2 |
| ITF M25 Santa Margherita | 2019/04/08 12:00 | Marcel Marlon Sudzum v Giovanni Rizzuti | 2-6,0-6 |
| ITF M25 Santa Margherita | 2019/04/03 15:00 | Giovanni Rizzuti v Fabrizio Ornago | 6-3,3-6,1-6 |
| ITF M25 Santa Margherita | 2019/04/02 12:00 | Claudio Fortuna v Giovanni Rizzuti | 3-6,6-3,6-10 |
| ITF M25 Santa Margherita | 2019/04/01 12:00 | Matteo Masala v Giovanni Rizzuti | 1-6,1-6 |
| ITF M15 Tabarka | 2019/03/25 08:00 | Giovanni Rizzuti v Gregorio Cordonnier | 2-6,6-1,1-10 |
| ITF M15 Tabarka | 2019/03/18 08:00 | Stefano Battaglino v Giovanni Rizzuti | 7-5,1-6,10-8 |