Stadium: Court 2 Indoor Round: 44 Ground: Clay
| ITF M25 Kiseljak | 2021/05/23 10:45 | Bozo Barun v Samuel M Arjona | 6-3,6-2 |
| ITF M15 Brcko | 2021/05/16 12:30 | Samuel M Arjona v Dusan Milanovic | 7-6,4-6,1-10 |
| ITF M15 Prijedor | 2021/05/09 07:00 | Samuel M Arjona v Federico Campana | 2-6,3-6 |
| ITF M15 Las Palmas | 2021/04/25 09:00 | Nikita Alosha v Samuel M Arjona | 7-6,2-6,12-10 |
| ITF M25 Reus | 2021/04/11 10:00 | Alexander Weis v Samuel M Arjona | 7-6,5-7,10-4 |
| ITF M25 La Nucia | 2021/03/14 13:00 | Samuel M Arjona v Jesus Echevarri | 6-7,6-2,7-10 |
| ITF M15 La Nucia | 2021/03/09 09:00 | Samuel M Arjona v Simon Beaupain | 1-6,2-6 |
| ITF M15 La Nucia | 2021/03/08 09:00 | Egill Sigurdsson v Samuel M Arjona | 2-6,3-6 |
| Eastern European Championship | 2020/06/25 16:00 | Filip Krajinovic v Nemanja Malesevic | 6-0,6-3 |
| Eastern European Championship | 2020/06/24 14:40 | Ergi Kirkin v Nemanja Malesevic | 6-2,2-6,6-7 |
| Eastern European Championship | 2020/06/18 09:20 | Nemanja Malesevic v Matej Sabanov | 5-7,6-2,1-6 |
| Eastern European Championship | 2020/06/17 18:00 | Nini Gabriel Dica v Nemanja Malesevic | 6-2,6-3 |
| Eastern European Championship | 2020/06/15 09:20 | Petar Pjevcevic v Nemanja Malesevic | 2-6,3-6 |
| Adriatic Tennis Series | 2020/06/10 09:00 | Nemanja Malesevic v Danilo Petrovic | 3-6,3-6 |
| Adriatic Tennis Series | 2020/06/09 08:00 | Marko Miladinovic v Nemanja Malesevic | 2-6,6-4,6-7 |
| Adriatic Tennis Series | 2020/06/08 11:00 | Nemanja Malesevic v Luka Pavlovic | 6-7,6-2,6-1 |