Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 - New Delhi | 2023/03/16 05:30 | Yunseok Jang v Shuichi Sekiguchi | 2-6,7-5,6-3 |
| ITF M25 - New Delhi | 2023/03/15 09:55 | Woobin Shin v Shuichi Sekiguchi | 7-5,5-7,3-6 |
| ITF M15 - Aktobe | 2023/03/02 09:25 | Federico Bertuccioli v Shuichi Sekiguchi | 7-6,4-6,4-4 |
| ITF M15 - Aktobe | 2023/03/01 09:55 | Adrian Oetzbach v Shuichi Sekiguchi | 3-6,4-6 |
| 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 |
| ITF M25 - New Delhi | 2023/03/16 05:40 | Karan Singh v Jacob Bradshaw | 7-6,2-6,1-6 |
| ITF M25 - New Delhi | 2023/03/15 09:15 | Karan Singh v Manish Sureshkumar | 6-4,7-5 |
| ITF M15 - Monastir | 2023/03/08 10:50 | Dominik Boehler v Karan Singh | 7-5,6-3 |
| ITF M15 - Monastir | 2023/03/06 15:00 | Karan Singh v Mousa Alkotop | 5-7,6-3,9-11 |
| ITF M15 - Monastir | 2023/02/28 10:00 | Stefanos Sakellaridis v Karan Singh | 7-6,3-6,6-2 |
| ITF M25 - Monastir | 2023/02/20 10:00 | Karan Singh v Mischa Zverev | 6-7,0-6 |
| ITF M25 - Monastir | 2023/02/13 15:30 | Florent Bax v Karan Singh | 6-2,7-5 |
| ITF M25 - Monastir | 2023/02/13 12:00 | Darrshan Suresh v Karan Singh | 7-6,2-6,5-10 |