Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F4 | 2016/01/24 11:00 | Sarp Agabigun v Yuga Tashiro | 6-2,6-0 |
| 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 F6 Qual | 2015/06/07 05:00 | Koichi Sano v Keisuke Numajiri | 6-0,4-6,6-1 |