Estádio: Court 2 Round: 25 Ground: Clay
| ITF - M15 Buenos Aires | 2019/05/01 17:15 | Mariano Kestelboim v Esteban Bruna | 6-0,6-1 |
| ITF - Chile F8 | 2014/11/22 12:00 | Mariano Kestelboim v Esteban Bruna | 6-3,6-0 |
| ITF - M15 Junín | 2019/10/24 12:00 | Franco Emanuel Egea v Esteban Bruna | 6-2,6-3 |
| ITF - M15 Junín | 2019/10/23 12:00 | Alan Postay v Esteban Bruna | 5-7,1-6 |
| ITF - M15 Santiago | 2019/10/02 17:15 | Arklon H D Pino v Esteban Bruna | 6-2,0-6,6-1 |
| ITF - M15 Santiago | 2019/10/02 11:00 | Esteban Bruna v Pedro Gabriel Rodrigues | 6-3,4-6,10-3 |
| ITF - M15 Santiago | 2019/09/30 14:00 | Esteban Bruna v Matias Gaedechens | 6-2,6-1 |
| ITF - M15 Buenos Aires | 2019/09/15 12:00 | Gian M Di Natale v Esteban Bruna | 7-6,2-6,10-8 |
| ITF - M15 Tabarka | 2019/08/26 09:00 | Marco Zocastello v Esteban Bruna | 6-3,4-6,10-8 |
| ITF - M15 Tabarka | 2019/08/22 08:00 | Tomas Lipovsek Puches v Esteban Bruna | 6-2,6-3 |
| ITF - M15 Cancún | 2019/11/19 14:00 | Mariano Kestelboim v Connor Farren | 3-6,4-6 |
| ITF - M15 Cancún | 2019/11/16 18:50 | Tigre Hank v Mariano Kestelboim | 3-6,6-3,6-4 |
| ITF - M15 Cancún | 2019/11/16 13:45 | Luis Patino v Mariano Kestelboim | 2-6,7-5,1-6 |
| ITF - M15 Cancún | 2019/11/15 19:35 | Issei Okamura v Mariano Kestelboim | 4-6,1-6 |
| ITF - M25 Naples | 2019/11/01 17:45 | Adrian Andreev v Mariano Kestelboim | 6-3,7-6 |
| ITF - M25 Naples | 2019/10/31 17:00 | Santiago Rodriguez Taverna v Mariano Kestelboim | 2-6,3-6 |
| ITF - M25 Naples | 2019/10/30 15:55 | Alexander Cozbinov v Mariano Kestelboim | 6-4,2-6,4-6 |
| ITF - M15 Cancún | 2019/10/26 14:15 | Cristian Cristian Rodríguez v Mariano Kestelboim | 6-3,7-6 |