Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Challenger Astana | 2017/07/21 05:00 | Duckhee Lee v Aldin Setkic | 6-7,3-6 |
| Challenger Fergana | 2018/06/18 08:05 | Denis Yevseyev v Aldin Setkic | 3-6,3-6 |
| Challenger Almaty Qual | 2018/06/10 04:30 | Aldin Setkic v Jurij Rodionov | 2-6,6-3,1-6 |
| Challenger Almaty Qual | 2018/06/09 04:00 | Aldin Setkic v Ti Chen | 6-2,6-3 |
| Challenger Shymkent | 2018/06/04 07:05 | Ante Pavic v Aldin Setkic | 6-2,6-4 |
| Challenger Loughborough | 2018/05/24 13:05 | Aldin Setkic v Daniel Brands | 3-6,2-6 |
| Challenger Loughborough | 2018/05/23 09:30 | Aldin Setkic v Kaichi Uchida | 6-3,6-2 |
| Challenger Samarkand | 2018/05/17 10:00 | Aldin Setkic v Tsung-Hua Yang | 2-6,3-6 |
| Challenger Samarkand | 2018/05/15 10:20 | Aldin Setkic v Sanjar Fayziev | 7-6,6-7,6-3 |
| Challenger Fergana | 2018/06/18 09:05 | Yusuke Takahashi v Duckhee Lee | 6-7,1-6 |
| Challenger Almaty | 2018/06/12 07:40 | Duckhee Lee v Roberto Cid Subervi | 5-7,5-7 |
| French Open Qual | 2018/05/25 08:00 | Jaume Munar v Duckhee Lee | 6-7,6-0,7-6 |
| French Open Qual | 2018/05/23 14:40 | Duckhee Lee v Lorenzo Sonego | 6-3,6-4 |
| French Open Qual | 2018/05/21 12:10 | Dennis Novikov v Duckhee Lee | 2-6,2-6 |
| Challenger Busan | 2018/05/17 05:20 | Filip Peliwo v Duckhee Lee | 4-6,6-2,6-4 |
| Challenger Busan | 2018/05/14 07:45 | Yusuke Takahashi v Duckhee Lee | 2-6,1-6 |
| Challenger Gimcheon | 2018/05/08 06:55 | Duckhee Lee v Luke Saville | 7-6,2-6,3-6 |