Round: 25 Ground: Synthetic outdoor
| ITF Japan F7 Qual | 2016/06/05 01:00 | Masaki Sasai v Koichi Sano | 3-6,5-7 |
| ITF Guam F1 | 2016/05/25 01:00 | Andrew Whittington v Koichi Sano | 6-4,6-2 |
| ITF Guam F1 | 2016/05/23 01:45 | Koichi Sano v Winter Meagher | 6-1,6-2 |
| ITF Japan F5 | 2016/04/04 01:30 | Ken Onishi v Koichi Sano | 6-1,6-0 |
| ITF Japan F5 | 2016/04/03 03:30 | Arvid Nordquist v Koichi Sano | 3-6,6-4,3-6 |
| 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 F6 | 2016/06/01 01:00 | Evan Song v Shuichi Sekiguchi | 3-6,1-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Masaki Sasai v Evan Song | 1-6,0-6 |
| ITF China F8 | 2016/05/26 03:00 | Evan Song v Filip Peliwo | 2-6,3-6 |
| ITF China F8 | 2016/05/24 02:00 | Huixin Wang v Evan Song | 2-6,2-6 |
| ITF China F7 | 2016/05/19 02:00 | Shuichi Sekiguchi v Evan Song | 6-7,6-4,6-1 |
| ITF China F7 | 2016/05/18 02:00 | Chien Hsun Lo v Evan Song | 3-6,5-7 |
| ITF China F6 | 2016/05/12 02:00 | Evan Song v Renta Tokuda | 4-6,4-6 |
| ITF China F6 | 2016/05/11 04:40 | Evan Song v Aoxiong Wang | 6-3,6-4 |