Stadium: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/07/19 08:00 | Samuel Vincent Ruggeri v Bader Alabdullah | 6-3,6-2 |
| ITF M15 Monastir | 2021/07/11 09:00 | Bader Alabdullah v Adam Jones | 1-6,6-7 |
| ITF M15 Monastir | 2021/07/04 08:00 | Bader Alabdullah v Omar Brigida | 5-7,2-6 |
| ITF M15 Monastir | 2021/06/30 13:00 | Luca Giacomini v Bader Alabdullah | 6-2,6-2 |
| ITF M15 Monastir | 2021/06/22 12:15 | Essa Qabazard v Bader Alabdullah | 5-7,6-3,6-4 |
| ITF M15 Antalya | 2021/05/24 07:30 | Bader Alabdullah v Francisco Llanes | 3-6,6-7 |
| ITF M15 Antalya | 2021/05/16 07:00 | Daniil Glinka v Bader Alabdullah | 6-4,6-2 |
| ITF M15 Antalya | 2021/05/11 08:55 | Dragos Nicolae Madaras v Bader Alabdullah | 6-0,6-0 |
| ITF M15 Novi Sad | 2021/07/26 09:00 | Matic Dimic v Stevan Popovic | 2-6,6-3,10-7 |
| ITF M15 Novi Sad | 2021/07/25 07:00 | Stevan Popovic v Taiyo Yamanaka | 6-3,4-6,10-7 |
| ITF M15 Doboj | 2021/07/14 11:20 | Stevan Popovic v Viktor Jovic | 4-6,2-6 |
| ITF M25 Velenje | 2021/07/05 17:50 | Alen Rogic-Hadzalic v Stevan Popovic | 6-3,6-4 |
| ITF M15 Skopje | 2021/06/07 09:30 | Stevan Popovic v Viktor Jovic | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/06 10:30 | Nicolas Cortes Campos v Stevan Popovic | 6-7,3-6 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Domagoj Biljesko v Stevan Popovic | 6-1,6-2 |
| ITF M15 Sarajevo | 2021/05/31 08:00 | Tadija Radovanovic v Stevan Popovic | 6-3,5-7,9-11 |