Stadium: Court 8 Round: 54 Ground: Synthetic outdoor
| ITF Japan F7 Qual | 2018/06/02 01:00 | Kishi, Ryota v Papez, Ziga | 6-1,6-0 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | 시마부쿠로, 소 v Kishi, Ryota | 6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Kishi, Ryota v 코바야시, 마사야 | 6-2,6-1 |
| ITF Japan F5 | 2018/03/31 00:30 | 맹, 칭-양 v Kishi, Ryota | 6-4,7-5 |
| ITF Japan F4 | 2018/03/25 01:00 | 테, 리겔 v Kishi, Ryota | 6-1,7-5 |
| ITF Japan F4 | 2018/03/24 00:00 | Takamura, Yuki v Kishi, Ryota | 3-6,5-7 |
| ITF Japan F3 | 2018/03/17 00:30 | 타시로, 유가 v Kishi, Ryota | 6-7,6-3,6-0 |
| ITF Japan F2 | 2018/03/11 00:30 | 이토, 유이치 v Kishi, Ryota | 7-6,7-5 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | 야마나카, 쿄헤 v 카지간, 크리스토퍼 | 7-6,6-0 |