Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M15 Monastir | 2023/02/20 08:30 | Adrian Oetzbach v Andrea Bolla | 6-4,3-6,10-12 |
| ITF M15 Monastir | 2023/02/19 09:00 | Adrian Oetzbach v Geni Inoue | 6-0,6-1 |
| ITF M15 Monastir | 2023/02/12 08:30 | Adrian Oetzbach v Olivier Rojas | 2-6,3-6 |
| ITF M25 Bath | 2023/02/08 11:30 | Adrian Oetzbach v George Houghton | 2-6,2-6 |
| ITF M15 Antalya | 2023/01/24 11:45 | Davide Galoppini v Adrian Oetzbach | 4-6,6-2,6-0 |
| ITF M15 Antalya | 2023/01/18 06:30 | Antonio Massara v Adrian Oetzbach | 6-3,6-4 |
| ITF M15 Antalya | 2023/01/17 08:00 | Adrian Oetzbach v Ignacio B Alia | 2-6,6-4,10-7 |
| ITF M15 Antalya - selejtezők | 2023/01/16 06:30 | Adrian Oetzbach v Ilgiz Kamchibekov | 7-5,6-1 |
| ITF M25 Burnie | 2023/02/09 00:50 | Adam Walton v Shuichi Sekiguchi | 6-1,6-7,7-6 |
| 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 |