Round: 26 Ground: Synthetic outdoor
| ITF Japan F7 | 2016/06/07 01:00 | Sano, Koichi v Song, Evan | 2-6,7-5,6-4 |
| ITF Japan F7 Qual | 2016/06/05 01:00 | Sasai, Masaki v Sano, Koichi | 3-6,5-7 |
| ITF Guam F1 | 2016/05/25 01:00 | Whittington, Andrew v Sano, Koichi | 6-4,6-2 |
| ITF Guam F1 | 2016/05/23 01:45 | Sano, Koichi v Winter Meagher | 6-1,6-2 |
| ITF Japan F5 | 2016/04/04 01:30 | Onishi, Ken v Sano, Koichi | 6-1,6-0 |
| ITF Japan F5 | 2016/04/03 03:30 | Arvid Nordquist v Sano, Koichi | 3-6,6-4,3-6 |
| ITF Japan F1 | 2016/03/05 01:00 | Tashiro, Yuga v Sano, Koichi | 6-2,3-6,6-3 |
| ITF Japan F8 | 2015/06/24 01:10 | Moon, Ju-Hae v Sano, Koichi | 6-1,6-3 |
| ITF Japan F7 | 2016/06/07 03:40 | Oku, Hiromasa v Katayama, Sho | 1-6,2-6 |
| ITF Japan F6 | 2016/06/01 01:00 | Katayama, Sho v Yasutaka Uchiyama | 4-6,3-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Katayama, Sho v Nagao, Katsuki | 3-6,6-4,6-3 |
| ITF Guam F1 | 2016/05/27 00:00 | Baughman, Deiton v Katayama, Sho | 6-4,6-4 |
| ITF Guam F1 | 2016/05/25 01:35 | Oh, Seong-Gook v Katayama, Sho | 4-6,1-6 |
| ITF Guam F1 | 2016/05/24 00:00 | Goh, Steven v Katayama, Sho | 0-6,4-6 |
| ITF India F2 | 2016/05/06 04:30 | Katayama, Sho v Sidharth Rawat | 6-2,3-6,3-6 |
| ITF India F2 | 2016/05/05 04:00 | Susanto, David Agung v Katayama, Sho | 4-6,4-6 |