Stadium: Court 16 Round: 62 Ground: Clay
| ITF Japan F2 | 2016/03/17 01:00 | Ryota Kishi v Masaya Kobayashi | 6-3,2-6,2-6 |
| 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 F1 | 2018/03/03 03:00 | Itsuki Matsumoto v Ryota Kishi | 6-3,6-1 |
| Challenger Kyoto Qual | 2018/02/17 01:00 | Zhe Li v Ryota Kishi | 6-3,6-1 |
| ITF Vietnam F3 | 2017/11/21 06:15 | Ryota Kishi v Nathan Pasha | 2-6,2-6 |
| ITF Japan F3 | 2018/03/19 02:15 | Masaya Kobayashi v Takashi Saito | 6-4,4-6,6-4 |
| ITF Japan F2 | 2018/03/12 02:30 | Kento Takeuchi v Masaya Kobayashi | 6-3,4-6,6-3 |
| ITF Japan F1 | 2018/03/05 01:00 | Gengo Kikuchi v Masaya Kobayashi | 6-2,7-5 |
| ITF Japan F1 | 2018/03/04 01:00 | Tomohiro Masabayashi v Masaya Kobayashi | 1-6,6-3,5-7 |
| ITF Turkey F7 | 2018/02/21 14:25 | Attila Balazs v Masaya Kobayashi | 6-1,6-3 |
| ITF Turkey F7 | 2018/02/19 07:00 | Masaya Kobayashi v Bogdan Ionut Apostol | 4-6,6-3,4-6 |
| ITF Turkey F7 | 2018/02/18 09:00 | Michiel de Krom v Masaya Kobayashi | 2-6,1-6 |
| ITF Turkey F7 | 2018/02/17 06:30 | Dmitry Myagkov v Masaya Kobayashi | 2-6,3-6 |