Estadio: Court 10 Round: 27 Ground: Clay
| ITF Túnez F19 | 2017/05/19 09:00 | Diego Hidalgo v Mariano Kestelboim | 3-6,6-7 |
| ITF Perú F2 | 2018/10/03 15:30 | Mariano Kestelboim v Tomas Farjat | 6-1,6-1 |
| ITF Perú F2 | 2018/10/02 15:00 | Mariano Kestelboim v Rodrigo Sanchez | 3-6,6-3,6-2 |
| ITF Perú F1 | 2018/09/27 16:35 | Conner Huertas Del Pino v Mariano Kestelboim | 7-6,6-4 |
| ITF Perú F1 | 2018/09/26 15:00 | Nicolas Mejia v Mariano Kestelboim | 6-0,4-6,4-6 |
| ITF Perú F1 | 2018/09/25 15:00 | Joao Ferreira v Mariano Kestelboim | 6-2,2-6,4-6 |
| ITF Argentina F6 | 2018/09/18 15:00 | Franco Agamenone v Mariano Kestelboim | 6-3,1-6,7-5 |
| ITF Bélgica F10 | 2018/08/29 10:30 | Michael Geerts v Mariano Kestelboim | 6-4,6-1 |
| ITF Bélgica F10 | 2018/08/28 08:00 | Valentin Guenther v Mariano Kestelboim | 3-6,1-6 |
| ITF Perú F2 | 2018/10/03 17:55 | Sergio Monges v Diego Hidalgo | 2-6,2-6 |
| ITF Perú F2 | 2018/10/02 15:00 | Preston Brown v Diego Hidalgo | 1-6,2-6 |
| ITF Perú F1 | 2018/09/28 18:50 | Diego Hidalgo v Arklon H D Pino | 7-6,3-6,3-6 |
| ITF Perú F1 | 2018/09/27 16:00 | Duilio Beretta v Diego Hidalgo | 4-6,3-6 |
| ITF Perú F1 | 2018/09/26 17:25 | Guido Ivan Justo v Diego Hidalgo | 3-6,3-6 |
| ITF Perú F1 | 2018/09/24 15:00 | Boruch Skierkier v Diego Hidalgo | 3-6,3-6 |
| Copa Davis | 2018/09/15 15:25 | Xavier Lawrence v Diego Hidalgo | 0-6,1-6 |
| ITF España F24 | 2018/08/23 15:20 | Diego Hidalgo v Miguel Semmler | 3-6,6-1,3-6 |