Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Kashiwa | 2019/04/02 02:40 | Yuki Mochizuki v Hikaru Shiraishi | 3-6,6-4,7-6 |
| ITF M15 Yanagawa | 2023/12/24 01:00 | Taisei Ichikawa v Hikaru Shiraishi | 3-6,6-2,1-6 |
| ITF M15 Yanagawa | 2023/12/23 01:00 | Hikaru Shiraishi v Masamichi Imamura | 6-3,6-2 |
| ITF M15 Yanagawa | 2023/12/22 04:50 | Jumpei Yamasaki v Hikaru Shiraishi | 3-6,4-6 |
| ITF M15 Yanagawa | 2023/12/21 01:50 | Kousuke Ogura v Hikaru Shiraishi | 4-6,3-6 |
| ITF M15 Yanagawa | 2023/12/20 05:00 | Ryota Tanuma v Hikaru Shiraishi | 0-6,3-6 |
| Challenger Yokkaichi | 2023/11/26 03:25 | Hikaru Shiraishi v Tatsuma Ito | 3-6,4-6 |
| ITF M15 Ipoh Perak | 2023/11/23 04:55 | Hikaru Shiraishi v Takuya Kumasaka | 6-7,4-6 |
| ITF M15 Ipoh Perak | 2023/11/23 01:00 | Hikaru Shiraishi v Corban Crowther | 6-0,6-4 |
| Challenger Yokkaichi | 2023/11/28 05:45 | Yuki Mochizuki v Geoffrey Blancaneaux | 0-6,4-6 |
| Challenger Yokkaichi | 2023/11/27 01:00 | Yusuke Takahashi v Yuki Mochizuki | 6-2,3-6,7-6 |
| Challenger Yokkaichi | 2023/11/26 01:00 | Yannik Steinegger v Yuki Mochizuki | 3-6,2-6 |
| Challenger Yokohama | 2023/11/19 03:20 | Omar Jasika v Yuki Mochizuki | 6-0,7-6 |
| Challenger Matsuyama | 2023/11/05 01:00 | Yuki Mochizuki v James Trotter | 7-6,3-6,1-6 |
| ITF M25 Sapporo | 2023/09/16 01:00 | Kazuki Nishiwaki v Yuki Mochizuki | 6-1,6-3 |
| ITF M25 Sapporo | 2023/09/15 02:55 | Tomohiro Masabayashi v Yuki Mochizuki | 6-2,4-6,1-6 |
| ITF M25 Sapporo | 2023/09/13 03:05 | Collin Altamirano v Yuki Mochizuki | 6-7,4-6 |