Stadium: Court 4 Round: 19 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/04/25 14:00 | Mili Poljicak v Sasa Markovic | 6-2,1-6,6-2 |
| ITF M15 Porec | 2023/03/06 12:50 | Niklas Waldner v Sasa Markovic | 6-7,6-7 |
| ITF M15 Porec | 2023/03/05 11:30 | Maj Najvirt Kolaric v Sasa Markovic | 2-6,1-6 |
| ITF M25 Pirot | 2022/09/21 09:45 | Hady Habib v Sasa Markovic | 6-4,6-2 |
| ITF M25 Pirot | 2022/09/20 10:00 | Sasa Markovic v Pavle Daljev | 7-6,2-6,10-2 |
| ITF M25 Pirot | 2022/09/19 13:20 | Matija Samardzic v Sasa Markovic | 4-6,6-2,4-10 |
| ITF M25 Pirot | 2022/09/18 12:30 | Aleksandar Ljubojevic v Sasa Markovic | 1-6,7-5,7-10 |
| ITF M15 Zlatibor | 2022/09/12 08:00 | Tilen Kovac v Sasa Markovic | 6-2,3-6,11-9 |
| ITF M15 Kursumlijska Banja | 2023/05/01 08:00 | Danilo Raicevic v Niels Visker | 6-4,2-6,6-10 |
| ITF M15 Meerbusch | 2023/04/24 07:30 | Nico Hornitschek v Niels Visker | 6-2,6-4 |
| ITF M15 Antalya | 2023/04/03 09:20 | Tommaso Carnevale-Miino v Niels Visker | 6-4,2-6,10-6 |
| ITF M15 Antalya | 2023/04/02 07:00 | Guy Den Heijer v Niels Visker | 1-6,6-4,3-10 |
| ITF M15 Antalya | 2023/03/27 07:00 | Gheorghe Claudiu Schinteie v Niels Visker | 6-4,5-7,10-6 |
| ITF M15 Antalya | 2023/03/26 08:00 | Federico Valle v Niels Visker | 3-6,1-6 |
| ITF M25 Quinta Do Lago | 2023/03/08 16:30 | Niels Visker v Ian Luca Cervantes Tomas | 3-6,4-6 |
| ITF M25 Quinta Do Lago | 2023/03/08 12:00 | Niels Visker v Francisco Vilaca | 6-0,6-4 |