Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2019/03/28 01:00 | Kuan-Yi Lee v Yuki Mochizuki | 2-6,6-1,5-7 |
| Others | 2016/11/07 02:00 | Kuan-Yi Lee v Yuki Mochizuki | 6-1,4-6,6-3 |
| ITF M15 Kashiwa | 2019/04/02 02:40 | Yuki Mochizuki v Hikaru Shiraishi | 3-6,6-4,7-6 |
| ITF M15 Tsukuba | 2019/03/29 01:00 | Yuki Mochizuki v Shintaro Imai | 3-6,6-1,4-6 |
| ITF M15 Tsukuba | 2019/03/28 01:00 | Kuan-Yi Lee v Yuki Mochizuki | 2-6,6-1,5-7 |
| ITF M15 Tsukuba | 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 M15 Nishi-Tokyo | 2019/03/14 03:45 | Shuichi Sekiguchi v Yuki Mochizuki | 6-2,6-1 |
| ITF M15 Nishi-Tokyo | 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 Kashiwa | 2019/04/03 05:15 | Kuan-Yi Lee v Yuta Shimizu | 6-4,6-7,6-4 |
| ITF M15 Kashiwa | 2019/04/01 06:00 | Kuan-Yi Lee v Kazuki Nishiwaki | 6-4,6-4 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Kuan-Yi Lee v Gage Brymer | 6-7,7-5,10-5 |
| ITF M15 Tsukuba | 2019/03/28 01:00 | Kuan-Yi Lee v Yuki Mochizuki | 2-6,6-1,5-7 |
| ITF M15 Tsukuba | 2019/03/26 02:15 | Shinji Hazawa v Kuan-Yi Lee | 3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2019/03/07 08:00 | Vladyslav Manafov v Kuan-Yi Lee | 6-1,7-6 |
| ITF M15 Sharm El Sheikh | 2019/03/05 08:00 | Kuan-Yi Lee v Daniel Michalski | 6-0,6-0 |
| ITF M15 Sharm El Sheikh | 2019/02/27 09:40 | Kuan-Yi Lee v Youssef Hossam | 6-7,4-6 |