Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 - Santa Margherita | 2023/04/18 10:00 | Mikalai Haliak v Niccolo Ciavarella | 6-1,6-7,6-2 |
| ITF M25 - Santa Margherita | 2023/04/17 08:30 | Giannicola Misasi v Niccolo Ciavarella | 3-6,6-7 |
| ITF M25 - Santa Margherita | 2023/04/16 08:30 | Dimitris Sakellaridis v Niccolo Ciavarella | 4-6,0-6 |
| ITF M25 - Santa Margherita | 2023/04/09 08:30 | Niccolo Ciavarella v Giannicola Misasi | 2-6,4-6 |
| ITF M25 - Santa Margherita | 2023/04/03 11:25 | Niccolo Ciavarella v Gabriele Pennaforti | 4-6,2-6 |
| ITF M15 - Antalya | 2023/02/27 09:00 | Stefan A Andreescu v Niccolo Ciavarella | 6-1,6-3 |
| ITF M15 - Antalya | 2023/02/22 11:35 | Eric Vanshelboim v Niccolo Ciavarella | 6-1,6-1 |
| ITF M15 - Antalya | 2023/02/21 07:00 | Obrad Markovski v Niccolo Ciavarella | 6-4,2-6,6-10 |
| Challenger Madrid | 2023/04/11 08:45 | Miguel Damas v Nikolas Sanchez Izquierdo | 6-4,6-4 |
| Challenger Madrid | 2023/04/10 09:00 | Javier Barranco Cosano v Nikolas Sanchez Izquierdo | 6-3,6-7,2-6 |
| Challenger Madrid | 2023/04/09 14:55 | Rafael Jodar v Nikolas Sanchez Izquierdo | 1-6,0-6 |
| ITF M25 - Reus | 2023/04/07 10:45 | Alejandro Manzanera Pertusa v Nikolas Sanchez Izquierdo | 7-5,1-6,6-1 |
| ITF M25 - Reus | 2023/04/06 16:25 | Sergi Perez Contri v Nikolas Sanchez Izquierdo | 2-6,7-6,4-6 |
| ITF M25 - Reus | 2023/04/05 12:35 | Liam Gavrielides v Nikolas Sanchez Izquierdo | 2-6,4-6 |
| Challenger Girona | 2023/03/26 10:00 | Nikolas Sanchez Izquierdo v Steven Diez | 3-6,4-6 |
| Challenger Las Franquesas del Valles | 2023/03/21 15:00 | Nikolas Sanchez Izquierdo v Hugo Grenier | 4-6,4-6 |