Stadium: Center Court Round: 26 Ground: Hardcourt indoor
| ITF Japan F7 | 2016/06/07 05:30 | Yosuke Watanuki v Chan-Yeong Oh | 3-6,0-6 |
| ITF Japan F5 | 2016/04/10 03:15 | Makoto Ochi v Yosuke Watanuki | 3-6,3-6 |
| ITF Japan F5 | 2016/04/09 03:00 | Yuya Kibi v Yosuke Watanuki | 1-6,6-3,4-6 |
| ITF Japan F5 | 2016/04/08 07:15 | Yusuke Takahashi v Yosuke Watanuki | 6-0,3-6,1-6 |
| ITF Japan F5 | 2016/04/08 02:30 | Yosuke Watanuki v Kento Takeuchi | 6-1,6-2 |
| ITF Japan F4 | 2016/04/03 02:30 | Yosuke Watanuki v Shintaro Imai | 1-6,6-4,6-2 |
| ITF Japan F4 | 2016/04/02 02:00 | Soonwoo Kwon v Yosuke Watanuki | 1-6,3-6 |
| ITF Japan F4 | 2016/04/01 03:00 | Yosuke Watanuki v Yecong He | 6-3,6-0 |
| US Open Qual | 2016/08/25 23:35 | Steve Darcis v Duckhee Lee | 6-4,7-6 |
| US Open Qual | 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 Konstantin Kravchuk | 4-6,6-7 |
| Challenger Astana 2 | 2016/07/28 07:25 | Duckhee Lee v Ante Pavic | 6-1,6-2 |
| Challenger Astana 2 | 2016/07/26 05:00 | Duckhee Lee v Michal Przysiezny | 7-5,6-0 |
| ITF China F10 | 2016/07/03 02:00 | Zhe Li v Duckhee Lee | 4-6,4-6 |
| ITF China F10 | 2016/06/30 02:00 | Fajing Sun v Duckhee Lee | 3-6,5-7 |
| ITF China F10 | 2016/06/29 02:50 | Karunuday Singh v Duckhee Lee | 2-6,4-6 |