| 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 |
| Challenger Kobe | 2017/11/07 04:25 | Duckhee Lee v Tatsuma Ito | 2-6,1-6 |
| Challenger Shenzhen 2 | 2017/11/02 03:30 | Austin Krajicek v Duckhee Lee | 7-5,3-6,6-3 |
| Challenger Shenzhen 2 | 2017/10/31 05:00 | Naoki Nakagawa v Duckhee Lee | 1-6,4-6 |
| Challenger Suzhou | 2017/10/24 05:40 | Duckhee Lee v Hubert Hurkacz | 6-4,4-6,6-7 |
| Challenger Ningbo | 2017/10/18 04:30 | Zhe Li v Duckhee Lee | 6-2,6-4 |
| Challenger Ningbo | 2017/10/16 04:05 | Duckhee Lee v Taylor Fritz | 6-3,3-6,6-3 |
| Challenger Kaohsiung | 2017/10/03 10:00 | Jason Jung v Duckhee Lee | 3-6,6-2,7-6 |
| Challenger Gwangju | 2017/09/22 02:00 | Duckhee Lee v Matthias Bachinger | 3-6,5-7 |
| Challenger Toyota Qual | 2017/11/12 06:30 | Yuya Kibi v Jackson Withrow | 6-4,6-4 |
| Challenger Toyota Qual | 2017/11/11 06:00 | Sora Fukuda v Yuya Kibi | 0-6,1-6 |
| Challenger Toyota Qual | 2017/11/11 00:30 | Seong-Gook Oh v Yuya Kibi | 3-6,1-6 |
| Challenger Kobe | 2017/11/06 03:35 | Yuya Kibi v John Millman | 3-6,4-6 |
| Challenger Ningbo Qual | 2017/10/16 02:00 | Yuya Kibi v Marinko Matosevic | 2-6,6-7 |
| Challenger Ningbo Qual | 2017/10/15 05:15 | Zhizhen Zhang v Yuya Kibi | 3-6,1-6 |
| Challenger Ningbo Qual | 2017/10/14 02:00 | Renta Tokuda v Yuya Kibi | 1-6,4-6 |
| Challenger Kaohsiung | 2017/10/02 08:05 | Yuya Kibi v Evgeny Donskoy | 2-6,4-6 |