Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger Burnie | 2023/02/01 00:25 | Adam Walton v Shuichi Sekiguchi | 6-3,6-2 |
| ITF M25 Burnie | 2023/02/07 23:00 | Adam Walton v Issei Okamura | 6-3,6-4 |
| Challenger Burnie | 2023/02/02 23:00 | Marc Polmans v Adam Walton | 6-3,6-3 |
| Challenger Burnie | 2023/02/01 00:25 | Adam Walton v Shuichi Sekiguchi | 6-3,6-2 |
| Challenger Burnie | 2023/01/30 03:25 | Adam Walton v Yuki Mochizuki | 7-5,6-1 |
| Australian Open | 2023/01/11 04:30 | Adam Walton v Peter Gojowczyk | 6-2,2-6,4-6 |
| Australian Open | 2023/01/09 02:25 | Pablo Andujar v Adam Walton | 1-6,2-6 |
| Challenger Canberra | 2022/12/31 23:00 | Enzo Couacaud v Adam Walton | 3-6,6-1,6-2 |
| Challenger Champaign | 2022/11/15 22:15 | Christopher Eubanks v Adam Walton | 6-3,6-3 |
| ITF M25 Burnie | 2023/02/08 04:00 | Shuichi Sekiguchi v Corey Gaal | 6-2,7-5 |
| 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 |