| ITF Spain F13 | 05/06 11:30 | 62 | Николас С Изкиердо v Lucas Vuradin | 3-6,4-6 | |
| ITF Spain F8 | 03/18 09:45 | 60 | Николас С Изкиердо v Борис Покотилов | 6-7,6-2,4-6 | |
| ITF Spain F7 | 03/12 08:30 | 62 | Николас Санчес Искиердо v Alejandro Ibanez Gallego | 2-6,4-6 | |
| ITF Spain F7 | 03/11 08:30 | 62 | Николас Санчес Искиердо v Адриан Експозито | 6-2,4-6,6-2 | |
| ITF Spain F6 Qual | 02/27 13:00 | 62 | Николас Санчес Искиердо v Били Харис | 2-6,2-6 | |
| ITF Spain F1 | 01/23 12:00 | 62 | Николас Санчес Искиердо v Dan Dowson | 2-6,1-6 | |
| ITF Spain F9 Qual | 04/11 07:00 | - | Николас Санчес Искиердо v Луис Диего Чавез Вияпандо | 1-6,5-7 |
Nikolás Sánchez Izquierdo (born 17 March 1999) is a Spanish tennis player.
Sánchez Izquierdo has a career high ATP singles ranking of 238 achieved on 19 September 2022 and a career high ATP doubles ranking of 562 achieved on 29 November 2021.