Stadium: COURT 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Kaohsiung | 2016/09/20 04:35 | Hiroki Moriya v Duckhee Lee | 6-7,4-6 |
| Nanchang, China | 2016/09/13 02:00 | Duckhee Lee v Xia, Zihao | 6-1,5-7,3-6 |
| Challenger Bangkok 4 | 2016/08/30 09:40 | Duckhee Lee v Gunneswaran, Prajnesh | 4-6,0-6 |
| US Open, New York, USA, Qualifying | 2016/08/25 23:35 | Darcis, Steve v Duckhee Lee | 6-4,7-6 |
| US Open, New York, USA, Qualifying | 2016/08/24 20:10 | Rubin Statham v Duckhee Lee | 6-7,3-6 |
| Challenger Astana 2 | 2016/07/29 05:00 | Duckhee Lee v Kravchuk, Konstantin | 4-6,6-7 |
| Challenger Astana 2 | 2016/07/28 07:25 | Duckhee Lee v Pavic, Ante | 6-1,6-2 |
| Challenger Astana 2 | 2016/07/26 05:00 | Duckhee Lee v Przysiezny, Michal | 7-5,6-0 |
| Challenger Kaohsiung | 2016/09/21 06:00 | Niki, Takuto v Jozef Kovalik | 1-6,6-2,6-1 |
| Challenger Kaohsiung Qual | 2016/09/18 02:00 | Soonwoo Kwon v Niki, Takuto | 4-6,1-6 |
| Challenger Kaohsiung Qual | 2016/09/17 04:10 | Hsieh, Cheng-Peng v Niki, Takuto | 4-6,2-6 |
| Challenger Nanchang Qual | 2016/09/10 09:35 | Niki, Takuto v Xia, Zihao | 6-4,4-6,1-6 |
| Challenger Shanghai Qual | 2016/09/05 06:45 | Matija Pecotic v Niki, Takuto | 6-1,6-4 |
| Challenger Shanghai Qual | 2016/09/04 06:35 | Wu, Hao v Niki, Takuto | 1-6,1-6 |
| Challenger Bangkok 4 | 2016/08/29 06:55 | Kibi, Yuya v Niki, Takuto | 4-6,6-3,6-2 |
| ITF Vietnam F8 | 2016/08/12 04:10 | Niki, Takuto v Kanar, Jonathan | 7-6,4-6,6-7 |