Stadium: COURT VIKTOR TROICKI Round: 25 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/05/24 06:50 | Nikita Mashtakov v Matthew Dellavedova | 7-6,3-6,5-7 |
| ITF M15 Krsko | 2023/05/18 09:35 | Nikita Mashtakov v Miha Vetrih | 0-6,0-6 |
| ITF M15 Kursumlijska Banja | 2023/05/05 09:05 | Andrey Chepelev v Nikita Mashtakov | 6-3,6-0 |
| ITF M15 Kursumlijska Banja | 2023/05/04 11:55 | Nikita Mashtakov v Juan Pablo Paz | 6-1,6-4 |
| ITF M15 Kursumlijska Banja | 2023/05/03 14:35 | Viktor Jovic v Nikita Mashtakov | 2-6,3-6 |
| ITF M25 Dubrovnik | 2023/04/05 07:00 | Nikita Mashtakov v Oleg Prihodko | 3-6,3-6 |
| ITF M15 Opatija | 2023/03/22 08:30 | Viacheslav Bielinskyi v Nikita Mashtakov | 6-3,6-4 |
| ITF M15 Rovinj | 2023/03/12 09:00 | Michael Gloeckler v Nikita Mashtakov | 6-4,4-6,10-6 |
| ITF M15 Kursumlijska Banja | 2023/05/24 07:00 | Andrea Picchione v Stefan Cizelj-Zivkovic | 6-3,6-1 |
| ITF M15 Telde | 2023/04/09 09:00 | Stefan Cizelj-Zivkovic v Vicente O Moratalla | 3-6,3-6 |
| ITF M15 Antalya | 2023/03/05 06:30 | Rimpei Kawakami v Stefan Cizelj-Zivkovic | 6-0,6-1 |
| ITF M15 Antalya | 2023/02/26 07:00 | Artem Cherepin v Stefan Cizelj-Zivkovic | 3-6,6-2,10-4 |
| ITF M25 Antalya | 2023/02/05 07:00 | Lorenzo Joaquin Rodriguez v Stefan Cizelj-Zivkovic | 7-5,6-2 |
| ITF M25 Antalya | 2023/01/29 07:30 | Stefan Cizelj-Zivkovic v Emir Sutekin | 3-6,0-6 |
| ITF M15 Antalya | 2022/11/21 06:30 | Stefan Cizelj-Zivkovic v Michel Hopp | 6-4,4-6,3-10 |
| ITF M15 Antalya | 2022/11/20 07:00 | Emir Sutekin v Stefan Cizelj-Zivkovic | 4-6,4-6 |