Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Heraklion | 2023/10/23 07:30 | Stefan Cizelj-Zivkovic v Alexander Orlov | 2-6,6-2,11-13 |
| ITF M15 Heraklion | 2023/10/22 08:30 | Gabriel Matuszewski v Stefan Cizelj-Zivkovic | 4-6,4-6 |
| ITF M15 Heraklion | 2023/10/15 07:00 | Stefan Cizelj-Zivkovic v Graham Maassen | 3-6,3-6 |
| ITF M15 Kursumlijska Banja | 2023/09/17 08:30 | Stefan Cizelj-Zivkovic v Jerko Brkic | 3-6,6-4,8-10 |
| ITF M15 Kursumlijska Banja | 2023/09/10 09:30 | Alexandar Balj v Stefan Cizelj-Zivkovic | 6-2,6-2 |
| ITF M15 Madrid | 2023/09/05 10:00 | Stefan Cizelj-Zivkovic v Luis Francisco | 3-6,2-6 |
| ITF M15 Madrid | 2023/09/04 07:30 | Stefan Cizelj-Zivkovic v Cian Maguire | 6-3,6-7,10-6 |
| ITF M15 Madrid | 2023/09/03 12:00 | Tommaso Carnevale-Miino v Stefan Cizelj-Zivkovic | 6-7,2-6 |
| ITF M15 Castellon | 2023/10/15 10:00 | Toprak Avcibasi v Nicolas Rafael Goldberg Alviani | 6-1,6-1 |
| ITF M15 Vigo | 2023/10/09 09:00 | Sergi Fita Juan v Nicolas Rafael Goldberg Alviani | 6-1,4-6,10-5 |
| ITF M25 Zaragoza | 2023/10/02 08:00 | Nikolay Nedelchev v Nicolas Rafael Goldberg Alviani | 6-0,6-3 |
| ITF M25 Zaragoza | 2023/10/01 08:00 | Nicolas Rafael Goldberg Alviani v Alvaro Peiro Serrano | 6-4,6-3 |
| ITF M25 Sabadell | 2023/09/25 07:30 | Nicolas Rafael Goldberg Alviani v Richard Zusman | 1-6,3-6 |
| ITF M25 Sabadell | 2023/09/24 07:30 | Victor Kuznetsov v Nicolas Rafael Goldberg Alviani | 4-6,6-1,6-10 |
| ITF M15 Monastir | 2023/07/26 10:00 | Nicolas Rafael Goldberg Alviani v Antonio Cayetano March | 1-6,1-6 |
| ITF M15 Monastir | 2023/07/19 09:45 | Nicolas Rafael Goldberg Alviani v Kalman Boyd | 1-6,1-6 |