Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| Challenger Kobe | 2018/11/13 04:05 | Shinji Hazawa v Andrew Harris | 3-6,6-3,3-6 |
| ITF Japan F8 | 2018/06/14 01:00 | Gengo Kikuchi v Shinji Hazawa | 6-4,6-3 |
| ITF Japan F8 | 2018/06/13 03:20 | Shinji Hazawa v Thomas Fancutt | 6-1,6-2 |
| ITF Japan F7 | 2018/06/05 02:45 | Yuga Tashiro v Shinji Hazawa | 7-5,7-6 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Shinji Hazawa v Teppei Uesugi | 6-4,4-6,6-7 |
| ITF Japan F5 | 2018/04/05 02:00 | Shinji Hazawa v Yusuke Takahashi | 5-7,0-6 |
| ITF Japan F5 | 2018/04/04 01:00 | Chuhan Wang v Shinji Hazawa | 5-7,5-7 |
| ITF Japan F5 | 2018/04/02 06:25 | Yuki Mochizuki v Shinji Hazawa | 0-6,0-6 |
| Challenger Kobe | 2018/11/13 05:45 | Akira Santillan v Makoto Ochi | 6-3,7-6 |
| ITF Korea F5 | 2018/08/26 03:00 | Ji Sung Nam v Makoto Ochi | 6-4,6-1 |
| ITF Korea F5 | 2018/08/25 01:00 | Hong Chung v Makoto Ochi | 6-7,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Jung-Woong Na v Makoto Ochi | 6-3,2-6,0-6 |
| ITF Korea F5 | 2018/08/22 02:00 | Aaron Addison v Makoto Ochi | 1-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:45 | Mitchell Thomas McDaniels v Makoto Ochi | 4-6,1-6 |
| Challenger Gwangju | 2018/08/18 03:55 | Maverick Banes v Makoto Ochi | 6-4,6-4 |
| Challenger Gwangju | 2018/08/17 02:00 | Duckhee Lee v Makoto Ochi | 2-6,1-6 |