Ground: Hardcourt outdoor
| ITF Japan F3 | 2015/03/22 01:00 | Takashi Saito v Yutaro Matsuzaki | 6-0,6-3 |
| ITF Japan F2 | 2015/03/18 02:40 | Yutaro Matsuzaki v Hiroyasu Ehara | 4-6,6-4,3-6 |
| ITF Japan F2 | 2015/03/16 01:00 | Yutaro Matsuzaki v Hiromasa Oku | 6-2,3-6,7-6 |
| ITF Japan F1 | 2015/03/07 03:00 | Jarryd Chaplin v Yutaro Matsuzaki | 6-3,6-2 |
| ITF Japan F3 | 2014/03/26 02:25 | Yutaro Matsuzaki v Yuichi Ito | 0-6,2-6 |
| ITF Japan F3 | 2014/03/24 01:00 | Hiromasa Oku v Yutaro Matsuzaki | 2-6,4-6 |
| ITF Japan F2 | 2015/03/14 00:30 | Ryota Tanuma v Kazuki Nishiwaki | 6-4,6-4 |
| ITF Japan F6 Qual | 2014/06/09 03:00 | Shohei Chikami v Kazuki Nishiwaki | 6-0,6-3 |
| ITF Japan F5 | 2014/06/04 03:35 | Kazuki Nishiwaki v Jui-Chen Hung | 4-6,6-7 |
| ITF Japan F5 | 2014/06/03 01:00 | Shunrou Takeshima v Kazuki Nishiwaki | 6-3,5-7,3-6 |