stadio: Court 5 Round: 25 Ground: Hardcourt outdoor
| Challenger Shanghai | 2018/09/10 03:00 | Aldin Setkic v N. Vijay Sundar Prashanth | 6-4,6-4 |
| Challenger Shanghai | 2018/09/09 03:00 | Aldin Setkic v Vishnu Vardhan | 6-4,6-2 |
| Challenger Shanghai | 2018/09/08 05:00 | Aldin Setkic v Kazuki Nishiwaki | 6-3,6-2 |
| Challenger Zhangjiagang | 2018/09/05 04:20 | Uladzimir Ignatik v Aldin Setkic | 6-2,7-6 |
| ITF Ungheria F6 | 2018/08/23 08:30 | Aldin Setkic v Mike Urbanija | 6-3,6-2 |
| ITF Ungheria F6 | 2018/08/22 08:30 | Aldin Setkic v Marko Tepavac | 6-1,3-6,6-1 |
| Challenger Cordenons | 2018/08/14 12:55 | Andrej Martin v Aldin Setkic | 6-7,7-5,6-3 |
| Challenger Portoroz | 2018/08/09 18:10 | Andrea Arnaboldi v Aldin Setkic | 6-2,6-4 |
| Challenger Zhangjiagang | 2018/09/07 03:00 | Yunseong Chung v Alexander Bublik | 4-6,4-6 |
| Challenger Zhangjiagang | 2018/09/06 02:00 | Go Soeda v Yunseong Chung | 5-7,6-3,2-6 |
| Challenger Zhangjiagang | 2018/09/05 02:00 | Yunseong Chung v Roman Safiullin | 3-6,6-4,6-3 |
| Challenger Gwangju | 2018/08/14 01:00 | Yunseong Chung v Benjamin Lock | 4-6,6-4,3-6 |
| Challenger Lexington | 2018/08/04 19:50 | Yunseong Chung v Stefano Napolitano | 5-7,3-6 |
| Challenger Lexington | 2018/08/02 14:00 | Jeffrey John Wolf v Yunseong Chung | 3-6,7-6,5-7 |
| Challenger Lexington | 2018/08/01 01:15 | Yunseong Chung v William Bushamuka | 6-2,6-3 |
| Challenger Binghamton | 2018/07/25 14:30 | Jay Clarke v Yunseong Chung | 6-1,7-6 |