Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| Challenger Drummondville | 2023/11/13 15:00 | Kiranpal Pannu v Leo Vithoontien | 6-3,6-2 |
| Challenger Drummondville | 2023/11/12 15:00 | Benjamin Sigouin v Leo Vithoontien | 4-6,3-6 |
| ITF M15 Winston-Salem | 2023/11/07 17:30 | Robin Catry v Leo Vithoontien | 6-4,6-2 |
| ITF M25 Edmonton | 2023/11/02 21:10 | Mohamed Aziz Dougaz v Leo Vithoontien | 2-6,7-6,6-3 |
| ITF M25 Edmonton | 2023/11/02 01:45 | Leo Vithoontien v Jonathan Sorbo | 6-2,6-2 |
| ITF M15 Morelia | 2023/10/19 21:00 | Leo Vithoontien v Karue Sell | 2-6,2-6 |
| ITF M15 Morelia | 2023/10/18 19:00 | Leo Vithoontien v Enrique Pena | 6-3,3-6,6-3 |
| ITF M15 Morelia | 2023/10/17 19:45 | Leo Vithoontien v Miguel Angel Cabrera | 7-5,6-2 |
| Challenger Yokkaichi | 2023/11/26 02:35 | Masamichi Imamura v Andres Martin | 4-6,6-7 |
| Challenger Yokohama | 2023/11/21 02:30 | Yasutaka Uchiyama v Masamichi Imamura | 6-1,6-1 |
| ITF M15 Jakarta | 2023/01/26 02:30 | Wishaya Trongcharoenchaikul v Masamichi Imamura | 6-1,6-0 |
| ITF M15 Jakarta | 2023/01/25 06:30 | Masamichi Imamura v Ray Ho | 6-4,6-1 |
| ITF M15 Jakarta | 2023/01/18 06:25 | Boris Butulija v Masamichi Imamura | 6-4,6-4 |
| Challenger Yokkaichi | 2022/11/20 02:55 | Jason Jung v Masamichi Imamura | 6-4,6-3 |
| Challenger Yokohama | 2022/11/01 02:55 | Masamichi Imamura v Yunseong Chung | 3-6,4-6 |
| ITF M25 Tay Ninh | 2022/10/04 04:00 | Masamichi Imamura v Dayne Kelly | 2-6,4-6 |