Ground: Hardcourt outdoor
| ITF Japan F4 | 2015/03/31 03:50 | Masaki Sasai v Ryotaro Matsumura | 2-6,2-6 |
| ITF Japan F4 | 2015/03/30 01:00 | Ryotaro Matsumura v Yutaro Matsuzaki | 6-4,6-3 |
| ITF Japan F3 | 2015/03/21 04:00 | Ko Suzuki v Ryotaro Matsumura | 6-0,6-1 |
| ITF USA F9 Qual | 2015/02/22 16:00 | Wil Spencer v Ryotaro Matsumura | 7-6,5-7,6-2 |
| ITF USA F9 Qual | 2015/02/21 19:00 | Ryotaro Matsumura v Kaptan Kaster | 6-2,6-0 |
| ITF Peru F1 | 2014/10/21 15:00 | Gonzalo Escobar v Ryotaro Matsumura | 6-0,6-1 |
| ITF Peru F1 | 2014/10/18 14:30 | Michel Vernier v Ryotaro Matsumura | 6-7,1-6 |
| ITF Peru F1 | 2014/10/14 14:30 | Ryotaro Matsumura v Gonzalo Escobar | 0-6,4-6 |
| ITF Japan F4 | 2015/03/30 05:00 | Arata Onozawa v Shuichi Sekiguchi | 4-6,4-6 |
| ITF Japan F3 | 2015/03/27 03:25 | Di Wu v Shuichi Sekiguchi | 1-6,7-5,6-2 |
| ITF Japan F3 | 2015/03/26 01:00 | Takashi Saito v Shuichi Sekiguchi | 3-6,6-7 |
| ITF Japan F3 | 2015/03/24 02:10 | Yusuke Watanuki v Shuichi Sekiguchi | 1-6,3-6 |
| ITF Turkey F2 | 2015/01/17 07:00 | Jose Pereira v Shuichi Sekiguchi | 6-3,7-5 |
| ITF Turkey F1 | 2015/01/11 09:00 | Shuichi Sekiguchi v Hugo Nys | 6-7,6-4,6-3 |
| ITF Turkey F1 | 2015/01/10 08:00 | Alexey Vatutin v Shuichi Sekiguchi | 4-6,6-2,5-7 |
| ITF Turkey F1 | 2015/01/09 08:00 | Jose Pereira v Shuichi Sekiguchi | 4-6,6-3,3-6 |