Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Doboj | 2021/07/13 09:45 | Viktor Jovic v Nemanja Malesevic | 0-6,6-4,10-8 |
| ITF M15 Doboj | 2021/07/12 09:30 | Stefan Granolic v Nemanja Malesevic | 3-6,3-6 |
| ITF M25 Velenje | 2021/07/07 10:45 | Sebastian Prechtel v Nemanja Malesevic | 6-3,6-3 |
| ITF M25 Velenje | 2021/07/06 08:00 | Frane Nincevic v Nemanja Malesevic | 4-6,6-1,5-10 |
| ITF M25 Velenje | 2021/07/05 10:00 | Nemanja Malesevic v Maks Lukman | 2-6,6-4,11-9 |
| ITF M25 Velenje | 2021/07/04 07:30 | Nemanja Malesevic v Mikhail Minakov | 7-5,6-7,10-8 |
| ITF M25 Belgrade | 2021/06/27 12:00 | Nemanja Malesevic v Matvey Minin | 6-4,6-7,10-12 |
| ITF M15 Sarajevo | 2021/06/02 12:20 | Joao Lucas Reis da Silva v Nemanja Malesevic | 6-3,6-4 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Toby Martin v Michalis Sakellaridis | 6-1,6-2 |
| UTR Pro Tennis Series Beograd | 2021/07/11 10:00 | Michalis Sakellaridis v Stefan Latinov | 1-6,2-6 |
| UTR Pro Tennis Series Beograd | 2021/07/10 13:00 | Michalis Sakellaridis v Aleksei Khomich | 6-4,0-0 |
| UTR Pro Tennis Series Beograd | 2021/07/09 07:30 | Dusan Obradovic v Michalis Sakellaridis | 6-4,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/08 09:00 | Constant De La Bassetiere v Michalis Sakellaridis | 6-2,5-4 |
| UTR Pro Tennis Series Beograd | 2021/07/06 14:00 | Nikola Slavic v Michalis Sakellaridis | 6-3,6-6 |
| UTR Pro Tennis Series Beograd | 2021/07/05 07:30 | Michalis Sakellaridis v Olexiy Kolisnyk | 3-5 |
| ITF M15 Antalya | 2021/06/27 06:30 | Michalis Sakellaridis v Lorenzo Joaquin Rodriguez | 2-6,4-6 |