Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| 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 |
| Challenger Knoxville | 2022/11/08 22:40 | Adam Walton v Zachary Svajda | 4-6,6-4,3-6 |
| Challenger Sydney | 2022/11/04 01:50 | Marek Gengel v Adam Walton | 6-2,6-0 |
| Challenger Sydney | 2022/11/01 23:30 | Adam Walton v Aleksandar Vukic | 7-6,6-1 |
| 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 - Sapporo M25 | 2022/09/09 01:00 | Shuichi Sekiguchi v Shintaro Imai | 3-6,0-6 |
| ITF - Sapporo M25 | 2022/09/08 03:15 | Shuichi Sekiguchi v Taki Adachi | 6-3,6-0 |
| ITF - Sapporo M25 | 2022/09/07 00:30 | Shuichi Sekiguchi v Masamichi Imamura | 7-6,1-6,6-0 |