Round: 26 Ground: Synthetic outdoor
| ITF Japan F1 | 2016/03/05 01:00 | Yuga Tashiro v Koichi Sano | 6-2,3-6,6-3 |
| ITF Japan F8 | 2015/06/24 01:10 | Ju-Hae Moon v Koichi Sano | 6-1,6-3 |
| ITF Japan F8 | 2015/06/21 00:00 | Koichi Sano v David Barclay | 3-6,6-3,6-4 |
| ITF Japan F7 | 2015/06/18 02:15 | Hiroyasu Ehara v Koichi Sano | 6-1,6-3 |
| ITF Japan F7 | 2015/06/17 04:30 | Koichi Sano v Oh-Hee Kwon | 6-3,3-6,6-4 |
| ITF Japan F7 Qual | 2015/06/15 00:30 | Koichi Sano v Masaki Osafune | 6-4,6-2 |
| ITF Japan F6 | 2015/06/09 04:00 | Koichi Sano v Issei Okamura | 2-6,4-6 |
| ITF Japan F6 Qual | 2015/06/08 01:00 | Ryota Kishi v Koichi Sano | 2-6,0-6 |
| ITF Japan F4 | 2016/03/29 02:00 | Sho Katayama v Yosuke Watanuki | 3-6,1-6 |
| ITF Japan F3 | 2016/03/22 01:00 | Yuya Ito v Sho Katayama | 6-4,6-0 |
| ITF Japan F2 | 2016/03/16 01:00 | Sho Katayama v Yuya Kibi | 4-6,3-6 |
| ITF Japan F2 | 2016/03/14 01:00 | Bowen Ouyang v Sho Katayama | 2-6,4-6 |
| ITF Japan F1 | 2016/03/10 04:25 | Shuichi Sekiguchi v Sho Katayama | 7-5,7-6 |
| ITF Japan F1 | 2016/03/08 01:00 | Sho Katayama v Yuichi Ito | 6-3,4-6,6-2 |
| 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 |