Stadium: Court 4 Round: 28 Ground: Hardcourt outdoor
| ITF Japan F1 | 2017/03/09 01:00 | Yusuke Takahashi v Yuki Mochizuki | 4-6,6-4,6-1 |
| ITF M15 - Kashiwa | 2019/04/05 01:00 | Sho Shimabukuro v Yuki Mochizuki | 6-2,5-7,3-6 |
| ITF M15 - Kashiwa | 2019/04/04 01:00 | Yuki Mochizuki v Kuan-Yi Lee | 2-6,6-3,6-4 |
| 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 - Kashiwa | 2019/04/05 01:00 | Yusuke Takahashi v Yunosuke Tanaka | 7-5,6-2 |
| ITF M15 - Kashiwa | 2019/04/04 01:00 | Yusuke Takahashi v Keisuke Saitoh | 6-2,6-1 |
| ITF M15 - Kashiwa | 2019/04/02 02:25 | Yusuke Takahashi v Rio Noguchi | 6-3,3-6,7-5 |
| ITF M15 - Kofu | 2019/03/22 03:50 | Yusuke Takahashi v Jumpei Yamasaki | 3-6,1-6 |
| ITF M15 - Kofu | 2019/03/21 03:40 | Yusuke Takahashi v Naoki Tajima | 6-3,6-2 |
| Challenger Drummondville | 2019/03/12 00:35 | Liam Draxl v Yusuke Takahashi | 6-3,6-2 |
| ITF M15 Nishi-Tama | 2019/03/05 03:30 | Yusuke Takahashi v Shintaro Imai | 1-6,7-5,3-6 |
| Challenger Yokohama | 2019/02/25 06:10 | Yusuke Takahashi v Moez Echargui | 5-7,7-5,2-6 |