Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Challenger - Kobe | 2016/11/08 02:00 | Cheong-Eui Kim v Duckhee Lee | 1-6,6-3,3-6 |
| Challenger Jinan | 2017/08/07 02:00 | Cheong-Eui Kim v Sam Barry | 3-6,7-6,6-4 |
| Challenger Chengdu | 2017/08/01 06:00 | Xin Gao v Cheong-Eui Kim | 7-5,7-6 |
| ITF China F14 | 2017/07/25 05:55 | Cheong-Eui Kim v Hiroyasu Ehara | 0-6,6-7 |
| ITF Korea F5 | 2017/06/30 02:00 | Tae-Woo Lee v Cheong-Eui Kim | 6-4,1-6,7-6 |
| ITF Korea F5 | 2017/06/29 03:20 | Jae-Min Seol v Cheong-Eui Kim | 3-6,4-6 |
| ITF Korea F5 | 2017/06/28 04:15 | Dong-Kyu Lee v Cheong-Eui Kim | 1-6,6-3,3-6 |
| ITF Korea F4 | 2017/06/25 03:00 | Hong Chung v Cheong-Eui Kim | 6-1,6-3 |
| ITF Korea F4 | 2017/06/24 03:35 | Young Seok Kim v Cheong-Eui Kim | 4-6,3-6 |
| Challenger Jinan | 2017/08/07 02:40 | Yuya Kibi v Duckhee Lee | 2-6,2-6 |
| Challenger Chengdu | 2017/08/01 02:00 | Duckhee Lee v Zhe Li | 4-6,3-6 |
| Challenger - Astana | 2017/07/21 05:00 | Duckhee Lee v Aldin Setkic | 6-7,3-6 |
| Challenger - Astana | 2017/07/20 06:30 | Duckhee Lee v Saketh Myneni | 6-0,6-4 |
| Challenger - Astana | 2017/07/18 12:30 | Duckhee Lee v Miomir Kecmanovic | 1-6,7-6,6-3 |
| Wimbledon Qual | 2017/06/26 10:00 | Elias Ymer v Duckhee Lee | 6-3,6-2 |
| Challenger Fergana | 2017/06/20 07:00 | Vishnu Vardhan v Duckhee Lee | 6-7,6-2,7-6 |
| Challenger - Lyon | 2017/06/12 10:50 | Duckhee Lee v Laurynas Grigelis | 4-6,5-7 |