Stadium: Court 10 Round: 25 Ground: Clay
| ITF M25 Hurlingham | 2020/03/03 13:00 | Alex Barrena v Nicolas Uryson | 6-1,6-0 |
| ITF M25 Hurlingham | 2020/03/02 13:00 | Valerio Aboian v Alex Barrena | 7-6,3-6,6-10 |
| ITF M25 Hurlingham | 2020/03/01 15:30 | Alex Barrena v Andres Gabriel Ciurletti | 6-3,6-3 |
| ITF M15 Buenos Aires | 2019/09/17 14:00 | Luciano Carraro v Alex Barrena | 6-7,6-1,10-3 |
| ITF M15 Buenos Aires | 2019/09/16 13:00 | Alex Barrena v Gian M Di Natale | 6-4,2-6,11-9 |
| ITF Argentina F8 | 2018/11/03 13:00 | Lorenzo Gagliardo v Alex Barrena | 6-4,2-6,6-2 |
| ITF M25 Rio Cuarto | 2020/02/28 16:30 | Mariano Kestelboim v Franco Agamenone | 5-7,5-7 |
| ITF M25 Rio Cuarto | 2020/02/25 15:50 | Daniel Dutra Da Silva v Mariano Kestelboim | 6-7,6-3,3-6 |
| ITF M25 Punta del Este | 2020/02/19 16:25 | Mariano Kestelboim v Gonzalo Villanueva | 1-6,7-6,2-6 |
| ITF M25 Punta del Este | 2020/02/18 17:30 | Alejo Vilaro v Mariano Kestelboim | 2-6,6-4,2-6 |
| ITF M25 Lima | 2020/02/15 15:00 | Tomas Barrios Vera v Mariano Kestelboim | 6-3,4-6,7-5 |
| ITF M25 Lima | 2020/02/14 16:00 | Federico Zeballos v Mariano Kestelboim | 2-6,1-6 |
| ITF M25 Lima | 2020/02/13 18:15 | Mariano Kestelboim v Thiago Agustin Tirante | 5-7,7-6,6-4 |
| ITF M25 Lima | 2020/02/11 15:00 | Rafael Matos v Mariano Kestelboim | 5-7,6-4,2-6 |