Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Kottingbrunn | 2023/08/13 10:30 | Sasa Markovic v Matic Dimic | 3-6,0-6 |
| ITF M15 Novi Sad | 2023/07/25 12:25 | Kristijan Juhas v Sasa Markovic | 6-3,7-5 |
| ITF M15 Belgrade | 2023/06/26 07:15 | Luka Petrovic v Sasa Markovic | 6-4,6-3 |
| ITF M15 Kursumlijska Banja | 2023/06/21 10:15 | Milan Drinic v Sasa Markovic | 3-6,6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/06/20 07:30 | Sasa Markovic v Aleksei Khomich | 6-4,6-1 |
| ITF M15 Kursumlijska Banja | 2023/06/19 10:00 | Temurmalik Amirov v Sasa Markovic | 0-6,1-6 |
| ITF M15 Kursumlijska Banja | 2023/06/18 07:00 | Alvin N Tudorica v Sasa Markovic | 4-6,6-4,5-10 |
| ITF M15 Kursumlijska Banja | 2023/06/11 12:30 | Sasa Markovic v Petar Teodorovic | 7-5,4-6,8-10 |
| ITF M15 Kursumlijska Banja | 2023/08/31 10:55 | Giannicola Misasi v Aleksa Pisaric | 6-2,6-2 |
| ITF M15 Kursumlijska Banja | 2023/08/30 13:35 | Obrad Markovski v Aleksa Pisaric | 4-6,5-7 |
| ITF M25 Osijek | 2023/08/07 12:55 | Marcell Bartakovics v Aleksa Pisaric | 6-4,2-6,10-5 |
| ITF M15 Novi Sad | 2023/08/02 09:30 | Valerio Aboian v Aleksa Pisaric | 6-4,6-3 |
| ITF M15 Sofia | 2023/07/06 06:30 | Aleksa Pisaric v Leonardo Aboian | 1-6,4-6 |
| ITF M15 Sofia | 2023/07/05 10:15 | Aleksa Pisaric v Viktor Jovic | 6-3,7-6 |
| ITF M15 Belgrade | 2023/06/28 08:40 | Aleksa Pisaric v Aleksa Mardjonovic | 6-4,4-6,3-6 |
| ITF M15 Sarajevo | 2023/06/07 06:55 | Aleksa Pisaric v Igor Gimenez | 1-6,2-6 |