Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/08/01 09:30 | Frane Nincevic v Aleksandar Tomas | 6-4,3-6,6-10 |
| ITF M15 Novi Sad | 2021/07/26 10:30 | Aleksandar Tomas v Koray Kirci | 4-6,2-6 |
| ITF M25 Telfs | 2021/07/13 11:10 | Gonzalo Lama v Aleksandar Tomas | 6-3,6-1 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Aleksandar Tomas v Petar Pjevcevic | 3-6,1-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Daiki Yoshimura v Aleksandar Tomas | 6-1,6-3 |
| ITF M15 Antalya | 2021/06/13 07:30 | Oleg Prihodko v Aleksandar Tomas | 6-2,6-2 |
| ITF M15 Brcko | 2021/05/21 13:25 | Aleksandar Tomas v Viktor Jovic | 0-6,1-6 |
| ITF M15 Brcko | 2021/05/21 09:45 | Bogdan Bajic v Aleksandar Tomas | 1-6,3-6 |
| ITF M15 Novi Sad | 2021/08/01 11:15 | Simon Habsuda v Obrad Markovski | 1-6,6-3,11-9 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Simon Habsuda v Niklas Rohrer | 1-6,5-7 |
| ITF M15 Skopje | 2021/06/06 09:00 | Simon Habsuda v Luka Pavlovic | 3-6,2-6 |
| ITF M15 Novomoskovsk | 2021/05/31 06:15 | Aliaksandr Liaonenka v Simon Habsuda | 6-2,6-0 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Oleksandr Bielinskyi v Simon Habsuda | 6-3,3-6,8-10 |