| Challenger Gwangju | 2017/09/19 04:45 | Duckhee Lee v Yuya Kibi | 7-6,6-2 |
| Challenger Jinan | 2017/08/07 02:40 | Yuya Kibi v Duckhee Lee | 2-6,2-6 |
| ITF Japan F6 | 2016/06/03 01:00 | Duckhee Lee v Yuya Kibi | 6-3,7-6 |
| ITF Japan F3 | 2016/03/26 02:00 | Duckhee Lee v Yuya Kibi | 6-2,6-3 |
| ITF Japan F1 | 2015/03/14 02:00 | Duckhee Lee v Yuya Kibi | 6-3,4-6,5-7 |