Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Burnie | 2023/02/01 00:25 | Adam Walton v Shuichi Sekiguchi | 6-3,6-2 |
| Challenger Burnie | 2023/01/30 03:00 | Shuichi Sekiguchi v Dane Sweeny | 6-2,6-4 |
| Challenger Yokkaichi | 2022/11/22 03:50 | Sho Shimabukuro v Shuichi Sekiguchi | 6-4,6-3 |
| Challenger Yokkaichi | 2022/11/20 03:15 | Coleman Wong v Shuichi Sekiguchi | 2-6,1-6 |
| Challenger Matsuyama | 2022/11/07 01:00 | Shuichi Sekiguchi v Makoto Ochi | 7-5,7-5 |
| Challenger Matsuyama | 2022/11/06 04:50 | Beibit Zhukayev v Shuichi Sekiguchi | 6-4,3-6,6-7 |
| ITF M25 Sapporo | 2022/09/09 01:00 | Shuichi Sekiguchi v Shintaro Imai | 3-6,0-6 |
| ITF M25 Sapporo | 2022/09/08 03:15 | Shuichi Sekiguchi v Taki Adachi | 6-3,6-0 |
| ITF M25 Burnie | 2023/02/06 01:30 | Corey Gaal v Jesse Delaney | 7-6,1-6,10-6 |
| ITF M25 Burnie | 2023/02/05 04:00 | Corey Gaal v James Elia | 6-3,6-1 |
| ITF M15 Jakarta - Kval | 2023/01/23 05:25 | Corey Gaal v Sanhui Shin | 3-6,6-3,10-12 |
| ITF M15 Jakarta - Kval | 2023/01/22 07:35 | Aditya Hari Sasongko v Corey Gaal | 2-6,0-6 |
| ITF M15 Jakarta | 2023/01/18 07:50 | Chien Hsun Lo v Corey Gaal | 3-6,6-4,6-2 |
| ITF M15 Jakarta | 2023/01/17 03:35 | Corey Gaal v Bharath Nishok Kumaran | 6-3,6-0 |
| ITF M15 Jakarta | 2023/01/16 07:00 | Taketo Takamisawa v Corey Gaal | 6-4,4-6,2-10 |
| ITF M15 Jakarta | 2023/01/15 04:20 | Haesun Lee v Corey Gaal | 5-7,2-6 |