Stadium: Court 7 Round: 25 Ground: Clay
| ITF M25 Klosters | 2021/06/24 09:50 | Lenny Hampel v Matheus P De Almeida | 1-6,2-6 |
| ITF M25 Klosters | 2021/06/22 09:20 | Gian Luca Tanner v Lenny Hampel | 5-7,4-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 08:00 | Lenny Hampel v Titouan Droguet | 6-2,5-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 11:00 | Lenny Hampel v Martin Krumich | 6-3,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Lenny Hampel v Dominik Recek | 6-2,7-5 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Lenny Hampel v Kris Krawcewicz | 7-5,6-2 |
| ITF M25 Prague | 2021/05/11 10:40 | Franco Agamenone v Lenny Hampel | 6-3,6-3 |
| ITF M25 Prague | 2021/05/10 09:00 | Dominique Graf v Lenny Hampel | 3-6,4-6 |
| Challenger Prostejov | 2021/06/13 13:55 | Jelle Sels v Aldin Setkic | 6-3,6-1 |
| ITF M15 Sarajevo | 2021/06/02 12:30 | Din Karahodza v Aldin Setkic | 6-4,6-2 |
| ITF M25 Kiseljak | 2021/05/29 10:00 | Matheus P De Almeida v Aldin Setkic | 6-4,6-2 |
| ITF M25 Kiseljak | 2021/05/28 14:45 | Gauthier Onclin v Aldin Setkic | 3-6,6-7 |
| ITF M25 Kiseljak | 2021/05/27 09:00 | Bozo Barun v Aldin Setkic | 2-6,4-6 |
| ITF M25 Kiseljak | 2021/05/26 08:00 | Lilian Breut v Aldin Setkic | 3-6,3-6 |
| ITF M15 Sibenik | 2021/05/19 16:20 | Aldin Setkic v Timo Legout | 6-4,4-6,6-7 |
| ITF M15 Prijedor | 2021/05/16 08:55 | Aldin Setkic v Nerman Fatic | 6-3,4-6,6-2 |