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