| Challenger Seoul | 2018/05/01 07:05 | Tatsuma Ito v Duckhee Lee | 6-1,6-3 |
| Challenger Anning | 2018/04/26 04:35 | Mukund Sasikumar v Duckhee Lee | 6-2,7-6 |
| Challenger Anning | 2018/04/24 06:20 | Duckhee Lee v Rui-Xuan Wang | 6-2,7-6 |
| Challenger Nanchang | 2018/04/16 03:00 | Duckhee Lee v Jordan Thompson | 2-6,1-6 |
| ITF Japan F5 | 2018/04/03 05:35 | Duckhee Lee v Yuta Kawahashi | 6-7,6-7 |
| Challenger Qujing | 2018/03/20 02:00 | Duckhee Lee v Hubert Hurkacz | 3-6,3-6 |
| Challenger Shenzhen | 2018/03/15 09:20 | Malek Jaziri v Duckhee Lee | 6-2,6-2 |
| Challenger Shenzhen | 2018/03/13 05:55 | Jason Jung v Duckhee Lee | 6-4,5-7,4-6 |
| Challenger Seoul | 2018/04/30 04:55 | Maverick Banes v Yen-Hsun Lu | 4-6,1-6 |
| Challenger Ningbo | 2017/10/20 05:25 | Yen-Hsun Lu v Peter Polansky | 6-2,6-3 |
| Challenger Ningbo | 2017/10/18 03:00 | Yen-Hsun Lu v Tatsuma Ito | 6-2,6-3 |
| Challenger Ningbo | 2017/10/16 06:00 | Yen-Hsun Lu v Go Soeda | 6-3,4-6,6-4 |
| ATP Shanghai Qual | 2017/10/08 04:00 | Yen-Hsun Lu v Stefanos Tsitsipas | 7-5,6-7,4-6 |
| ATP Shanghai Qual | 2017/10/07 05:30 | Yen-Hsun Lu v Rigele Te | 7-5,6-3 |
| ATP Tokyo | 2017/10/05 04:25 | Richard Gasquet v Yen-Hsun Lu | 6-0,7-6 |
| ATP Tokyo | 2017/10/03 07:30 | Taro Daniel v Yen-Hsun Lu | 1-6,3-6 |