Ground: Hardcourt outdoor
| ITF Japan F4 | 2015/03/31 03:50 | Sho Katayama v Xin Gao | 6-2,6-1 |
| ITF Japan F3 | 2015/03/26 01:00 | Di Wu v Sho Katayama | 6-2,7-5 |
| ITF Japan F3 | 2015/03/24 01:00 | Duckhee Lee v Sho Katayama | 0-6,6-3,4-6 |
| 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 F4 | 2015/03/31 04:05 | Shinta Fujii v Kento Takeuchi | 3-6,6-3,6-7 |
| ITF Japan F3 | 2015/03/24 02:40 | Kento Takeuchi v Seong Chan Hong | 1-6,2-6 |
| ITF Japan F2 | 2015/03/18 01:00 | Shintaro Imai v Kento Takeuchi | 6-2,6-2 |
| ITF Japan F2 | 2015/03/16 02:25 | Yunseong Chung v Kento Takeuchi | 7-6,4-6,1-6 |
| ITF Japan F1 | 2015/03/12 01:00 | Kento Takeuchi v Yuichi Ito | 2-6,3-6 |
| ITF Japan F1 | 2015/03/11 04:35 | Kento Takeuchi v Yuki Matsuo | 6-2,6-4 |
| ITF Turkey F6 | 2015/02/12 12:10 | Kento Takeuchi v Marc Sieber | 2-6,2-6 |
| ITF Turkey F6 | 2015/02/11 12:45 | Kento Takeuchi v Mohamed Shabib | 6-2,6-7,6-2 |