Ground: Hardcourt outdoor
| ITF Japan F2 | 2015/03/20 01:30 | Duckhee Lee v Ehara, Hiroyasu | 1-6,6-4,3-6 |
| ITF Japan F2 | 2015/03/18 02:55 | Duckhee Lee v Nagao, Katsuki | 6-3,7-5 |
| ITF Japan F2 | 2015/03/17 01:00 | Duckhee Lee v Kikuchi, Gengo | 6-2,3-6,6-3 |
| ITF Japan F1 | 2015/03/14 02:00 | Duckhee Lee v Kibi, Yuya | 6-3,4-6,5-7 |
| ITF Japan F1 | 2015/03/13 03:55 | Kikuchi, Gengo v Duckhee Lee | 6-7,0-6 |
| ITF Japan F1 | 2015/03/10 03:50 | Nagao, Katsuki v Duckhee Lee | 2-6,3-6 |
| ITF Turkey F2 | 2015/01/17 11:00 | Jose Pereira v Duckhee Lee | 2-6,7-6,10-3 |
| ITF Turkey F2 | 2015/01/17 07:00 | Duckhee Lee v Zhe Li | 6-2,6-2 |
| ITF Japan F3 | 2015/03/23 01:00 | Katayama, Sho v Nakamura, Yuki | 6-2,6-0 |
| ITF Japan F8 | 2014/06/27 03:05 | Katayama, Sho v Kibi, Yuya | 3-6,6-2,1-6 |
| ITF Japan F8 | 2014/06/26 01:00 | Suzuki, Takao v Katayama, Sho | 5-7,0-6 |
| ITF Japan F8 | 2014/06/24 03:10 | Katayama, Sho v Onishi, Ken | 6-2,6-3 |
| ITF Japan F7 | 2014/06/20 01:00 | Kibi, Yuya v Katayama, Sho | 6-2,6-3 |
| ITF Japan F6 | 2014/06/13 00:00 | Suzuki, Takao v Katayama, Sho | 7-6,2-6,7-6 |
| ITF Japan F6 | 2014/06/11 07:50 | Katayama, Sho v Watanuki, Keisuke | 6-3,7-5 |
| ITF Japan F5 | 2014/06/05 01:00 | Katayama, Sho v Kikuchi, Gengo | 4-6,6-7 |