Round: 25 Ground: Hardcourt outdoor
| ITF China F13 | 2015/08/13 01:30 | Sho Katayama v Tsung-Hua Yang | 3-6,5-7 |
| ITF China F13 | 2015/08/12 02:00 | Sho Katayama v Xi Qi | 7-5,6-2 |
| ITF China F12 | 2015/08/06 08:00 | Sho Katayama v Winston Lin | 4-6,6-7 |
| ITF China F12 | 2015/08/03 08:00 | Sho Katayama v Fajing Sun | 6-4,6-4 |
| ITF Japan F8 | 2015/06/28 01:00 | Yasutaka Uchiyama v Sho Katayama | 6-2,6-3 |
| ITF Japan F8 | 2015/06/27 01:00 | Sho Katayama v Renta Tokuda | 1-6,7-5,6-2 |
| ITF Japan F8 | 2015/06/26 01:00 | Sho Katayama v Shunrou Takeshima | 3-6,6-0,6-3 |
| ITF Japan F8 | 2015/06/25 01:00 | Sho Katayama v Masaki Sasai | 6-3,6-1 |