| ITF - Japan F4 | 2017/03/29 03:40 | Hiroyasu Ehara v Sho Katayama | 2-6,4-6 |
| ITF - Japan F2 | 2017/03/13 04:00 | Sho Katayama v Hiroyasu Ehara | 6-3,7-6 |
| ITF - Singapur F1 | 2017/05/25 02:00 | Sho Katayama v Shaheed Alam | 6-7,6-4,6-0 |
| ITF - Singapur F1 | 2017/05/23 04:20 | Sidharth Rawat v Sho Katayama | 4-6,2-6 |
| ITF - Japan F5 | 2017/04/07 07:10 | Yusuke Takahashi v Sho Katayama | 6-1,7-5 |
| ITF - Japan F5 | 2017/04/06 04:10 | Toshihide Matsui v Sho Katayama | 1-6,2-6 |
| ITF - Japan F5 | 2017/04/04 02:40 | Masaya Kobayashi v Sho Katayama | 1-6,2-6 |
| ITF - Japan F4 | 2017/03/30 01:00 | Renta Tokuda v Sho Katayama | 7-6,6-4 |
| ITF - Japan F4 | 2017/03/29 03:40 | Hiroyasu Ehara v Sho Katayama | 2-6,4-6 |
| ITF - Japan F3 | 2017/03/22 00:30 | Nam Hoang Ly v Sho Katayama | 6-1,6-2 |
| ITF - Singapur F1 | 2017/05/25 02:00 | Hiroyasu Ehara v Masato Shiga | 6-1,6-0 |
| ITF - Singapur F1 | 2017/05/23 04:10 | Sem Verbeek v Hiroyasu Ehara | 6-7,1-6 |
| Challenger - Gimcheon - Qualifikation | 2017/04/29 05:10 | Takuto Niki v Hiroyasu Ehara | 6-1,6-4 |
| ITF - Japan F5 | 2017/04/03 03:20 | Sho Shimabukuro v Hiroyasu Ehara | 6-1,6-7,6-3 |
| ITF - Japan F4 | 2017/03/29 03:40 | Hiroyasu Ehara v Sho Katayama | 2-6,4-6 |
| ITF - Japan F3 | 2017/03/22 05:30 | Nam Hoang Ly v Hiroyasu Ehara | 6-2,6-3 |
| ITF - Japan F3 | 2017/03/22 00:30 | Hiroyasu Ehara v Max Purcell | 6-3,6-2 |
| ITF - Japan F3 | 2017/03/19 01:00 | Hiroyasu Ehara v Shinta Fujii | 6-2,6-2 |