Stadium: Court 4 Round: 25 Ground: Clay
| ITF - M15 Sharm El Sheikh | 2020/11/16 08:00 | Aldin Setkic v Breut, Lilian | 6-4,6-1 |
| ITF - M25 Kiseljak | 2021/05/25 10:20 | Nicolas Zanellato v Breut, Lilian | 6-4,3-6,8-10 |
| ITF - M25 Kiseljak | 2021/05/24 12:15 | Breut, Lilian v Peters, Flemming | 2-6,6-3,10-7 |
| ITF - M25 Kiseljak | 2021/05/23 10:45 | Breut, Lilian v Link, Joel Vincent | 6-0,6-1 |
| ITF - M15 Brcko | 2021/05/18 08:15 | Nicolas Zanellato v Breut, Lilian | 6-4,6-4 |
| ITF - M15 Brcko | 2021/05/16 14:00 | Vladan Tadic v Breut, Lilian | 4-6,4-6 |
| ITF - M15 Prijedor | 2021/05/09 07:00 | Breut, Lilian v Barun, Bozo | 6-2,2-6,8-10 |
| ITF - M15 Monastir | 2021/04/20 08:00 | Giorgio Ricca v Breut, Lilian | 6-3,6-1 |
| ITF - M15 Monastir | 2021/04/18 13:00 | Breut, Lilian v Niklas Schell | 6-2,6-3 |
| Sibenik, Singles M-ITF-CRO-05A | 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 |
| ITF - M15 Prijedor | 2021/05/15 14:30 | Aldin Setkic v Denis Yevseyev | 7-5,6-2 |
| ITF - M15 Prijedor | 2021/05/14 11:00 | Rogic Hadzalic, Alen v Aldin Setkic | 6-3,2-6,5-7 |
| ITF - M15 Prijedor | 2021/05/14 07:00 | Joao Lucas Reis da Silva v Aldin Setkic | 2-6,2-6 |
| ITF - M15 Prijedor | 2021/05/13 07:50 | Kawakami, Rimpei v Aldin Setkic | 2-6,4-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/25 09:00 | David Pichler v Aldin Setkic | 6-7,3-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/24 10:05 | Aldin Setkic v Prechtel, Sebastian | 4-6,6-2,7-5 |