Stadium: Center Court Round: 19 Ground: Hardcourt outdoor
| ITF M25 Canberra | 2023/03/18 01:30 | Yuki Mochizuki v Tatsuma Ito | 3-6,7-6,3-6 |
| Challenger Busan | 2023/05/07 02:30 | Edan Leshem v Yuki Mochizuki | 7-5,3-6,1-6 |
| Challenger Gwangju | 2023/04/30 03:50 | Yuki Mochizuki v Hiroki Moriya | 5-7,2-6 |
| Challenger Seoul | 2023/04/23 03:40 | Tristan Schoolkate v Yuki Mochizuki | 6-7,6-2,6-2 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Yuki Mochizuki v Tomohiro Masabayashi | 6-2,2-6,4-6 |
| ITF M25 Jakarta | 2023/04/13 02:30 | Tristan Schoolkate v Yuki Mochizuki | 4-6,6-2,6-1 |
| ITF M25 Jakarta | 2023/04/11 06:20 | Matthew Dellavedova v Yuki Mochizuki | 2-6,2-6 |
| ITF M25 Kashiwa | 2023/04/06 03:00 | Yuki Mochizuki v Renta Tokuda | 1-6,1-6 |
| ITF M25 Kashiwa | 2023/04/04 02:40 | Yuki Mochizuki v Daiki Yoshimura | 6-1,6-1 |
| Challenger Busan | 2023/05/07 02:30 | Tatsuma Ito v Mukund Sasikumar | 5-7,6-4,6-4 |
| Challenger Gwangju | 2023/05/01 01:30 | Tatsuma Ito v Peter Gojowczyk | 4-6,4-6 |
| Challenger Gwangju | 2023/04/30 02:35 | Edan Leshem v Tatsuma Ito | 1-6,4-6 |
| Challenger Seoul | 2023/04/26 04:55 | Seong Chan Hong v Tatsuma Ito | 6-3,6-2 |
| Challenger Seoul | 2023/04/24 03:45 | Omar Jasika v Tatsuma Ito | 6-1,2-6,2-6 |
| Challenger Seoul | 2023/04/23 05:30 | Tatsuma Ito v Dominik Palan | 6-4,6-2 |
| ITF M25 Kashiwa | 2023/04/05 04:30 | Shuichi Sekiguchi v Tatsuma Ito | 4-6,6-3,7-5 |
| ITF M25 Tsukuba | 2023/03/31 01:00 | Tatsuma Ito v Sho Shimabukuro | 4-6,2-6 |