Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/28 01:00 | Jumpei Yamasaki v Makoto Ochi | 1-6,2-6 |
| ITF M15 - Kashiwa | 2019/04/05 01:00 | Cheong-Eui Kim v Jumpei Yamasaki | 4-6,6-3,4-6 |
| ITF M15 - Kashiwa | 2019/04/04 01:00 | Issei Okamura v Jumpei Yamasaki | 3-6,2-6 |
| ITF M15 - Kashiwa | 2019/04/03 06:15 | Jumpei Yamasaki v Ji Sung Nam | 6-3,2-6,7-6 |
| ITF M15 - Tsukuba | 2019/03/31 02:00 | Jumpei Yamasaki v Shintaro Imai | 4-6,4-6 |
| ITF M15 - Tsukuba | 2019/03/30 01:00 | Mick Veldheer v Jumpei Yamasaki | 2-6,2-6 |
| ITF M15 - Tsukuba | 2019/03/29 01:00 | Gage Brymer v Jumpei Yamasaki | 3-6,7-6,5-7 |
| ITF M15 - Tsukuba | 2019/03/28 01:00 | Yunosuke Tanaka v Jumpei Yamasaki | 2-6,6-1,3-6 |
| ITF M15 - Tsukuba | 2019/03/27 02:25 | Jumpei Yamasaki v Masamichi Imamura | 6-1,4-6,6-4 |
| ITF M15 - Kashiwa | 2019/04/05 01:00 | Shintaro Imai v Makoto Ochi | 2-6,6-7 |
| ITF M15 - Kashiwa | 2019/04/04 02:40 | Shinji Hazawa v Makoto Ochi | 2-6,1-6 |
| ITF M15 - Kashiwa | 2019/04/02 02:20 | Yu Hsiou Hsu v Makoto Ochi | 4-6,5-7 |
| ITF M15 - Tsukuba | 2019/03/28 05:30 | Makoto Ochi v Mick Veldheer | 4-6,6-3,4-6 |
| ITF M15 - Tsukuba | 2019/03/27 01:00 | Makoto Ochi v Kazuki Nishiwaki | 6-3,6-1 |
| Challenger Zhangjiagang | 2019/03/20 02:00 | Stefano Napolitano v Makoto Ochi | 2-6,6-3,6-4 |
| Challenger Zhangjiagang | 2019/03/18 08:10 | Ivan Gakhov v Makoto Ochi | 6-3,1-6,4-6 |
| ITF M15 - Nishi-Tokyo | 2019/03/14 02:25 | Makoto Ochi v Takuto Niki | 3-6,6-3,1-6 |