Round: 62 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/19 01:00 | Шо Катаяма v Soichiro Moritani | 6-2,6-0 |
| ITF Japan F3 | 2018/03/18 01:00 | Soichiro Moritani v Такаши Саито | 6-3,3-6,0-6 |
| ITF Japan F3 | 2018/03/17 04:00 | Soichiro Moritani v Казуки Шимицу | 6-2,6-3 |
| ITF Japan F2 | 2018/03/16 01:00 | Soichiro Moritani v Шинтаро Имай | 2-6,5-7 |
| ITF Japan F2 | 2018/03/14 02:40 | Кенто Такеучи v Soichiro Moritani | 4-6,0-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Yuki Takamura v Soichiro Moritani | 6-4,1-6,3-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Soichiro Moritani v Masaki Osafune | 7-6,6-0 |
| ITF Japan F1 | 2018/03/09 02:00 | Такуто Ники v Soichiro Moritani | 6-1,6-4 |
| ITF Japan F1 | 2018/03/05 01:00 | Такаши Саито v Itsuki Matsumoto | 6-3,6-4 |
| ITF Japan F1 | 2018/03/04 01:00 | Shoji Sato v Itsuki Matsumoto | 4-6,4-6 |
| ITF Japan F1 | 2018/03/03 03:00 | Itsuki Matsumoto v Ryota Kishi | 6-3,6-1 |
| Challenger Kobe Qual | 2017/11/04 03:40 | Йосуке Уатанаки v Itsuki Matsumoto | 6-4,6-3 |
| ITF Spain F31 | 2017/09/26 09:00 | Itsuki Matsumoto v Sergio Barranco | 3-6,4-6 |