Round: 62 Ground: Hardcourt outdoor
| ITF Japan F1 | 2015/03/10 01:00 | Sasai, Masaki v Moritani, Soichiro | 6-1,7-5 |
| ITF Japan F7 | 2014/06/17 01:00 | Sasai, Masaki v Moritani, Soichiro | 6-1,1-6,6-4 |
| ITF Japan F4 | 2018/03/24 02:00 | Moritani, Soichiro v Matsumoto, Itsuki | 6-2,6-3 |
| ITF Japan F3 | 2018/03/19 01:00 | Katayama, Sho v Moritani, Soichiro | 6-2,6-0 |
| ITF Japan F3 | 2018/03/18 01:00 | Moritani, Soichiro v Saito, Takashi | 6-3,3-6,0-6 |
| ITF Japan F3 | 2018/03/17 04:00 | Moritani, Soichiro v Shimizu, Kazuki | 6-2,6-3 |
| ITF Japan F2 | 2018/03/16 01:00 | Moritani, Soichiro v Shintaro Imai | 2-6,5-7 |
| ITF Japan F2 | 2018/03/14 02:40 | Takeuchi, Kento (1987) v Moritani, Soichiro | 4-6,0-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Takamura, Yuki v Moritani, Soichiro | 6-4,1-6,3-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Moritani, Soichiro v Osafune, Masaki | 7-6,6-0 |
| ITF Japan F4 | 2018/03/24 00:00 | Takuya Kumasaka v Sasai, Masaki | 3-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/18 01:30 | Issei Okamura v Sasai, Masaki | 6-3,6-1 |
| ITF Japan F3 | 2018/03/17 04:00 | Tagata, Ryohei v Sasai, Masaki | 5-7,6-3,2-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Murray, Jack v Sasai, Masaki | 6-4,6-3 |
| ITF Japan F1 | 2018/03/07 01:00 | Sasai, Masaki v Yuta Shimizu | 5-7,6-7 |
| ITF Japan F1 | 2018/03/06 01:00 | Sho Shimabukuro v Sasai, Masaki | 6-7,3-6 |
| ITF Japan F1 | 2018/03/04 03:00 | Numajiri, Keisuke v Sasai, Masaki | 1-6,6-3,0-6 |
| ITF Japan F1 | 2018/03/03 05:30 | Shimizu, Kazuki v Sasai, Masaki | 3-6,2-6 |