Stadion: Court 8 Round: 54 Ground: Synthetic outdoor
| ITF - Japan F7 - Qualifikation | 2018/06/02 01:00 | Ryota Kishi v Ziga Papez | 6-1,6-0 |
| ITF - Japan F6 - Qualifikation | 2018/04/09 01:00 | Sho Shimabukuro v Ryota Kishi | 6-3,6-1 |
| ITF - Japan F6 - Qualifikation | 2018/04/08 04:00 | Ryota Kishi v Masaya Kobayashi | 6-2,6-1 |
| ITF - Japan F5 | 2018/03/31 00:30 | Cing-Yang Meng v Ryota Kishi | 6-4,7-5 |
| ITF - Japan F4 | 2018/03/25 01:00 | Rigele Te v Ryota Kishi | 6-1,7-5 |
| ITF - Japan F4 | 2018/03/24 00:00 | Yuki Takamura v Ryota Kishi | 3-6,5-7 |
| ITF - Japan F3 | 2018/03/17 00:30 | Yuga Tashiro v Ryota Kishi | 6-7,6-3,6-0 |
| ITF - Japan F2 | 2018/03/11 00:30 | Yuichi Ito v Ryota Kishi | 7-6,7-5 |
| ITF - Japan F7 - Qualifikation | 2018/06/02 01:00 | Kyohei Yamanaka v Christopher Cajigan | 7-6,6-0 |