Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/10/24 08:00 | Rayen Zribi v Bastian A U Santander | 4-6,2-6 |
| ITF M15 Monastir | 2021/10/10 10:30 | Bastian A U Santander v Mohamed Amine Aissa Khelifa | 1-6,0-6 |
| ITF M15 Monastir | 2021/10/03 08:00 | Bastian A U Santander v Stefan Frljanic | 5-7,2-6 |
| ITF M15 Monastir | 2021/09/27 09:00 | Bastian A U Santander v Martin Katz | 0-6,0-6 |
| ITF M15 Monastir | 2021/09/19 10:30 | Paras Dahiya v Bastian A U Santander | 6-3,6-1 |
| ITF M15 Monastir | 2021/09/13 09:00 | Gabriel Decamps v Bastian A U Santander | 6-1,6-0 |
| ITF M15 Monastir | 2021/09/05 09:30 | Evgeny Philippov v Bastian A U Santander | 6-2,6-0 |
| ITF M15 Monastir | 2021/08/30 08:00 | Rishabdev Raman v Bastian A U Santander | 6-3,7-5 |
| ITF M15 Monastir | 2021/10/20 09:00 | Sabit Suntic v Mateo Nicolas Martinez | 2-6,0-6 |
| ITF M15 Monastir | 2021/10/18 15:15 | Sabit Suntic v Christian Kuehne | 5-7,6-4,10-4 |
| ITF M15 Monastir | 2021/10/18 10:30 | Sabit Suntic v Ankit Chopra | 6-2,6-2 |
| ITF M25 Skopje | 2021/09/28 09:20 | Luca Castagnola v Sabit Suntic | 6-2,6-3 |
| ITF M25 Skopje | 2021/09/27 14:15 | Bojan Radoman v Sabit Suntic | 2-6,1-6 |
| ITF M15 Pirot | 2021/09/20 08:00 | Nicolas Parizzia v Sabit Suntic | 6-4,6-2 |
| ITF M15 Novi Sad | 2021/08/02 08:00 | Sabit Suntic v Roko Horvat | 1-6,1-6 |
| ITF M15 Novi Sad | 2021/08/01 08:30 | Daniil Savelev v Sabit Suntic | 7-5,1-6,4-10 |