Stadium: Cancha 2 Round: 26 Ground: Clay
| ITF M25 Punta del Este | 2020/02/19 16:25 | Mariano Kestelboim v Gonzalo Villanueva | 1-6,7-6,2-6 |
| ITF Peru F3 | 2018/10/12 16:00 | Gonzalo Villanueva v Mariano Kestelboim | 5-7,7-6,3-6 |
| ITF Argentina F9 | 2017/11/15 16:40 | Mariano Kestelboim v Gonzalo Villanueva | 6-3,2-6,7-6 |
| ITF Argentina F5 | 2016/05/03 18:00 | Gonzalo Villanueva v Mariano Kestelboim | 4-6,4-6 |
| ITF Argentina F3 | 2015/03/24 14:50 | Mariano Kestelboim v Gonzalo Villanueva | 6-4,0-6,3-6 |
| UTR Pro Tigre | 2023/12/10 19:49 | Leonardo Aboian v Mariano Kestelboim | 2-6,2-6 |
| UTR Pro Tigre | 2023/12/09 16:33 | Franco Emanuel Egea v Mariano Kestelboim | 2-6,2-6 |
| UTR Pro Tigre | 2023/12/08 12:00 | Mariano Kestelboim v Lucio Ratti | 6-4,5-0 |
| UTR Pro Tigre | 2023/12/07 11:30 | Mariano Kestelboim v Francisco Bastias | 6-1,6-0 |
| UTR Pro Tigre | 2023/12/06 16:38 | Lautaro Agustin Corthey v Mariano Kestelboim | 1-6,1-6 |
| UTR Pro Tigre | 2023/12/05 13:30 | Andres Gabriel Ciurletti v Mariano Kestelboim | 0-6,2-6 |
| Challenger Temuco | 2023/11/28 18:00 | Mariano Kestelboim v Valentin Vacherot | 5-7,2-6 |
| Challenger Temuco | 2023/11/27 14:35 | Wilson Leite v Mariano Kestelboim | 1-6,4-6 |
| ITF M15 Concepcion | 2023/12/16 13:00 | Gonzalo Villanueva v Facundo Mena | 6-3,6-4 |
| ITF M15 Concepcion | 2023/12/15 13:00 | Gonzalo Villanueva v Ignacio A B Otarola | 6-0,6-1 |
| ITF M15 Concepcion | 2023/12/14 16:05 | Gonzalo Villanueva v Diego F Flores | 6-0,7-6 |
| ITF M15 Concepcion | 2023/12/13 15:05 | Gonzalo Villanueva v Miguel Angel Cabrera | 6-3,6-1 |
| ITF M15 Concepcion | 2023/12/11 18:00 | Gonzalo Villanueva v Fernando Cavallo | 6-2,6-0 |
| ITF M15 Concepcion | 2023/12/08 14:00 | Gonzalo Villanueva v Nicolas Kicker | 3-6,7-6,3-6 |
| ITF M15 Concepcion | 2023/12/07 16:35 | Gonzalo Villanueva v Manuel Mouilleron Salvo | 6-1,7-6 |
| ITF M15 Concepcion | 2023/12/05 14:00 | Gonzalo Villanueva v Nicolas Villalon | 6-1,6-3 |