Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Jinan, China | 2018/08/10 07:30 | Ward, James v Duckhee Lee | 3-6,7-5,6-4 |
| Jinan, China | 2018/08/08 12:40 | Duckhee Lee v Yibing Wu | 6-0,6-3 |
| Jinan, China | 2018/08/07 02:00 | Manish Sureshkumar v Duckhee Lee | 1-6,3-6 |
| Chengdu, China | 2018/08/02 08:05 | Duckhee Lee v Ward, James | 6-4,5-7,3-6 |
| Chengdu, China | 2018/07/31 06:05 | Nikola Milojevic v Duckhee Lee | 4-6,4-6 |
| Challenger Astana | 2018/07/19 07:50 | Duckhee Lee v Pavel Kotov | 7-5,6-7,5-7 |
| Challenger Astana | 2018/07/17 11:10 | Duckhee Lee v Ayap, Sagadat | 6-4,6-2 |
| Wimbledon Qual | 2018/06/25 16:35 | Balazs, Attila v Duckhee Lee | 6-3,5-7,6-1 |
| ITF Korea F3 | 2018/06/19 06:35 | Chung, Hong v Shintaro Imai | 6-7,6-3,1-6 |
| ITF Korea F2 | 2018/06/13 06:45 | Chung, Hong v Oh, Chan-Yeong | 2-6,2-6 |
| ITF Korea F1 | 2018/06/08 03:30 | Niki, Takuto v Chung, Hong | 6-1,6-0 |
| ITF Korea F1 | 2018/06/07 01:00 | Choi, Jae-Won v Chung, Hong | 6-2,4-6,5-7 |
| ITF Korea F1 | 2018/06/05 01:00 | Adamson, Alec v Chung, Hong | 5-7,6-2,2-6 |
| Challenger Busan Qual | 2018/05/12 04:15 | Chung, Hong v Banes, Maverick | 3-6,4-6 |
| ITF Thailand F12 | 2017/12/12 03:00 | Chung, Hong v Meis, Pascal | 2-6,6-7 |
| ITF Thailand F11 | 2017/12/05 03:30 | Chung, Hong v Yan Bai | 2-6,3-6 |