Round: 27 Ground: Hardcourt outdoor
| ITF Hong Kong F2 | 2018/07/02 04:00 | Yuki Mochizuki v Shintaro Imai | 6-4,5-7,3-6 |
| ITF - Tsukuba M15 | 2019/03/28 01:00 | Kuan-Yi Lee v Yuki Mochizuki | 2-6,6-1,5-7 |
| ITF - Tsukuba M15 | 2019/03/26 01:00 | Takumi Kato v Yuki Mochizuki | 1-6,2-6 |
| ITF M15 Kofu | 2019/03/20 05:15 | Kento Takeuchi v Yuki Mochizuki | 1-6,6-4,6-3 |
| ITF - Nishi-Tokyo M15 | 2019/03/14 03:45 | Shuichi Sekiguchi v Yuki Mochizuki | 6-2,6-1 |
| ITF - Nishi-Tokyo M15 | 2019/03/12 03:20 | Yuki Mochizuki v Hong Kit Wong | 6-2,6-4 |
| ITF M15 Nishi-Tama | 2019/03/08 02:25 | Hiroyasu Ehara v Yuki Mochizuki | 6-3,4-6,7-5 |
| ITF M15 Nishi-Tama | 2019/03/06 03:20 | Yuki Mochizuki v Daisuke Sumizawa | 6-1,7-6 |
| ITF Hongkong - M25 | 2019/01/04 02:00 | Julian Lenz v Yuki Mochizuki | 6-7,6-1,6-2 |
| ITF - Tsukuba M15 | 2019/03/28 01:00 | Ryota Tanuma v Shintaro Imai | 5-7,3-6 |
| ITF - Tsukuba M15 | 2019/03/26 03:20 | Shintaro Imai v Blake Ellis | 6-2,7-6 |
| ITF - Nishi-Tokyo M15 | 2019/03/15 01:00 | Shuichi Sekiguchi v Shintaro Imai | 6-3,6-0 |
| ITF - Nishi-Tokyo M15 | 2019/03/14 01:00 | Shintaro Imai v Jumpei Yamasaki | 3-6,6-3,6-3 |
| ITF - Nishi-Tokyo M15 | 2019/03/13 03:50 | Shintaro Imai v Naoki Tajima | 6-1,6-4 |
| ITF M15 Nishi-Tama | 2019/03/10 01:00 | Shintaro Imai v Ji Sung Nam | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/09 01:00 | Shintaro Imai v Sho Shimabukuro | 6-4,6-3 |
| ITF M15 Nishi-Tama | 2019/03/08 04:10 | Shintaro Imai v Tomohiro Masabayashi | 6-3,6-2 |