Ground: Hardcourt outdoor
| ITF Japan F4 | 2015/03/28 03:00 | Masaki Sasai v Masayoshi Ono | 6-4,6-1 |
| ITF Japan F3 | 2015/03/24 03:10 | Takashi Saito v Masaki Sasai | 4-6,6-4,6-4 |
| ITF Japan F2 | 2015/03/20 03:00 | Takuto Niki v Masaki Sasai | 7-5,6-3 |
| ITF Japan F2 | 2015/03/17 04:10 | Masaki Sasai v Arata Onozawa | 6-4,6-4 |
| ITF Japan F2 | 2015/03/15 01:00 | Masaki Sasai v Issei Okamura | 6-3,6-0 |
| ITF Japan F1 | 2015/03/12 01:00 | Takuto Niki v Masaki Sasai | 6-2,6-1 |
| ITF Japan F1 | 2015/03/10 01:00 | Masaki Sasai v Soichiro Moritani | 6-1,7-5 |
| ITF Japan F8 | 2014/06/26 04:35 | Masaki Sasai v Keisuke Watanuki | 3-6,1-6 |
| 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 Peru F1 | 2014/10/07 18:00 | Ryotaro Matsumura v Michael Linzer | 1-6,1-6 |