Estádio: Court 6 Round: 25 Ground: Clay
| ITF - M15 Prijedor | 2021/05/13 10:05 | Peter Fajta v Marko Miladinovic | 5-7,6-3,7-6 |
| ATP - Belgrado | 2021/04/18 13:30 | Marko Miladinovic v Taro Daniel | 1-6,2-6 |
| Challenger - Belgrado | 2021/04/12 10:00 | Taro Daniel v Marko Miladinovic | 6-1,7-5 |
| ITF - M15 Antália | 2021/03/24 07:30 | Seong Chan Hong v Marko Miladinovic | 6-2,6-4 |
| ITF - M15 Antália | 2021/03/17 09:25 | Pedro Vives Marcos v Marko Miladinovic | 6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/10 11:55 | Marko Miladinovic v Jack Pinnington Jones | 6-4,2-6,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/09 08:55 | Marko Miladinovic v Lorenzo Rottoli | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/02/08 09:30 | Marko Miladinovic v Anirudh Chandrasekar | 6-3,6-4 |
| ITF - M15 Skopje | 2021/06/01 08:00 | Luigi Sorrentino v Oscar Moraing | 6-1,3-6,5-10 |
| ITF - M15 Skopje | 2021/05/31 12:30 | Stefan Ivic v Oscar Moraing | 5-7,1-6 |
| ITF - M15 Skopje | 2021/05/30 14:00 | Petar Jovic v Oscar Moraing | 2-6,0-6 |
| ITF - M15 Šibenik | 2021/05/20 12:45 | Timo Legout v Oscar Moraing | 7-5,6-3 |
| ITF - M15 Šibenik | 2021/05/19 16:55 | Yan Sabanin v Oscar Moraing | 5-7,2-6 |
| ITF - M15 Šibenik | 2021/05/18 10:45 | Amaury Raynel v Oscar Moraing | 3-6,3-6 |
| ITF - M15 Šibenik | 2021/05/17 12:55 | Erdem Isitan v Oscar Moraing | 3-6,4-6 |
| ITF - M15 Troisdorf | 2021/05/12 13:00 | Oscar Moraing v Elmar Ejupovic | 3-6,3-6 |