Stadium: Court 16 Round: 26 Ground: Clay
| ITF Japan F6 | 2018/04/10 04:55 | Arata Onozawa v Aoran Wang | 6-4,6-4 |
| ITF Japan F6 Qual | 2018/04/09 02:50 | Kazuki Nishiwaki v Arata Onozawa | 7-5,6-3 |
| ITF Japan F3 | 2018/03/17 04:00 | Issei Okamura v Arata Onozawa | 7-6,6-0 |
| Challenger Kyoto Qual | 2018/02/17 06:55 | Cheong-Eui Kim v Arata Onozawa | 2-6,6-3,6-4 |
| ITF Vietnam F3 | 2017/11/23 03:00 | Arjun Kadhe v Arata Onozawa | 7-5,6-2 |
| ITF Vietnam F3 | 2017/11/21 03:00 | Arata Onozawa v Shunrou Takeshima | 6-0,6-3 |
| ITF Vietnam F3 | 2017/11/20 03:00 | Mislav Bosnjak v Arata Onozawa | 0-6,2-6 |
| ITF Vietnam F3 | 2017/11/19 07:00 | Huynh Thinh v Arata Onozawa | 2-6,0-6 |
| ITF Japan F6 | 2018/04/10 05:10 | Kaito Uesugi v Sora Fukuda | 5-7,5-7 |
| ITF Japan F5 | 2018/04/04 01:00 | Makoto Ochi v Sora Fukuda | 7-6,6-7,6-2 |
| ITF Japan F5 | 2018/04/03 04:40 | Toshihide Matsui v Sora Fukuda | 4-6,6-4,4-6 |
| ITF Japan F4 | 2018/03/29 01:00 | Sora Fukuda v Ryota Tanuma | 7-6,1-6,4-6 |
| ITF Japan F4 | 2018/03/28 01:00 | Sora Fukuda v Shinta Fujii | 6-3,6-1 |
| ITF Japan F3 | 2018/03/22 03:00 | Ryota Tanuma v Sora Fukuda | 6-3,6-2 |
| ITF Japan F3 | 2018/03/19 05:15 | Shunsuke Wakita v Sora Fukuda | 1-6,0-6 |
| Challenger Kyoto | 2018/02/19 08:30 | Andrew Whittington v Sora Fukuda | 6-3,6-3 |