Round: 26 Ground: Synthetic outdoor
| ITF Japan F7 | 2016/06/07 01:00 | Koichi Sano v Evan Song | 2-6,7-5,6-4 |
| 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 F7 | 2016/06/07 03:40 | Hiromasa Oku v Sho Katayama | 1-6,2-6 |
| ITF Japan F6 | 2016/06/01 01:00 | Sho Katayama v Yasutaka Uchiyama | 4-6,3-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Sho Katayama v Katsuki Nagao | 3-6,6-4,6-3 |
| ITF Guam F1 | 2016/05/27 00:00 | Deiton Baughman v Sho Katayama | 6-4,6-4 |
| ITF Guam F1 | 2016/05/25 01:35 | Seong-Gook Oh v Sho Katayama | 4-6,1-6 |
| ITF Guam F1 | 2016/05/24 00:00 | Steven Goh v Sho Katayama | 0-6,4-6 |
| ITF India F2 | 2016/05/06 04:30 | Sho Katayama v Sidharth Rawat | 6-2,3-6,3-6 |
| ITF India F2 | 2016/05/05 04:00 | David Agung Susanto v Sho Katayama | 4-6,4-6 |