Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/11/21 04:00 | Nicolas Dvorak v Aleksandr Malyshev | 6-4,4-6,6-4 |
| Challenger Kaohsiung | 2015/09/21 07:40 | Tatsuma Ito v Duckhee Lee | 4-6,7-6,6-3 |
| Challenger Shanghai | 2015/09/08 05:30 | Daniil Medvedev v Duckhee Lee | 6-4,6-0 |
| ITF China F13 | 2015/08/16 01:30 | Duckhee Lee v Di Wu | 6-2,6-3 |
| ITF China F13 | 2015/08/11 06:00 | Duckhee Lee v Yuqing Ning | 6-0,6-0 |
| ITF China F12 | 2015/08/08 03:05 | Arata Onozawa v Duckhee Lee | 6-2,0-6,6-4 |
| ITF China F12 | 2015/08/07 07:00 | Duckhee Lee v Aoxiong Wang | 6-4,6-1 |
| ITF China F12 | 2015/08/04 01:30 | Duckhee Lee v Cheng-Yu Yu | 6-2,7-6 |
| Challenger Padova | 2015/07/02 18:30 | Marco Cecchinato v Duckhee Lee | 6-2,6-2 |