Ground: Hardcourt outdoor
| 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 F8 | 2014/06/25 01:00 | Takuto Niki v Masaki Sasai | 3-6,1-6 |
| ITF Japan F1 | 2015/03/07 01:00 | Yohei Ono v Masayoshi Ono | 6-4,7-6 |
| ITF Greece F9 Qual | 2014/11/11 09:40 | Masayoshi Ono v Tomislav Jotovski | 4-6,2-6 |
| ITF Greece F10 Qual | 2014/10/25 07:00 | Masayoshi Ono v Nils Brinkmann | 5-7,2-6 |
| ITF Greece F8 | 2014/10/11 08:30 | Masayoshi Ono v Jessy Kalambay | 7-5,4-6,6-7 |
| ITF Japan F8 | 2014/06/23 03:15 | Masayoshi Ono v Haru Inoue | 1-6,4-6 |
| ITF Japan F7 Qual | 2014/06/14 00:30 | Keisuke Watanuki v Masayoshi Ono | 6-2,6-3 |
| ITF Japan F1 | 2014/03/10 01:00 | Gengo Kikuchi v Masayoshi Ono | 6-3,6-3 |
| ITF Australia F1 Qual | 2014/02/16 23:30 | Finn Tearney v Masayoshi Ono | 6-3,6-2 |