Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kashiwa | 2019/04/03 01:55 | Shinji Hazawa v Sora Fukuda | 6-1,5-7,6-1 |
| ITF M15 Tsukuba | 2019/03/26 02:15 | Shinji Hazawa v Kuan-Yi Lee | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/19 02:35 | Shinji Hazawa v Sho Shimabukuro | 3-6,3-6 |
| ITF M15 Nishi-Tokyo | 2019/03/12 04:45 | Sho Shimabukuro v Shinji Hazawa | 6-3,6-7,6-2 |
| ITF M15 Nishi-Tama | 2019/03/05 05:25 | Naoki Tajima v Shinji Hazawa | 7-5,6-3 |
| Challenger Yokohama | 2019/02/25 05:15 | Shinji Hazawa v Tak Khunn Wang | 6-7,4-6 |
| Challenger Da Nang | 2019/01/07 06:30 | Mukund Sasikumar v Shinji Hazawa | 6-1,6-4 |
| Challenger Da Nang | 2019/01/06 05:30 | Yuta Shimizu v Shinji Hazawa | 4-6,4-6 |
| 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 |
| ITF M15 Nishi-Tokyo | 2019/03/12 05:00 | Makoto Ochi v Seita Watanabe | 6-1,6-2 |
| Challenger Yokohama | 2019/02/25 07:55 | Yan Bai v Makoto Ochi | 6-2,0-6,7-5 |