Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2023/04/02 02:30 | Koki Matsuda v Krittin Koaykul | 6-3,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/06/07 03:45 | Koki Matsuda v Orel Kimhi | 4-6,3-6 |
| ITF M25 Jakarta | 2023/04/27 03:00 | Koki Matsuda v Digvijay Pratap Singh | 2-6,3-6 |
| ITF M25 Jakarta | 2023/04/26 05:35 | Anthony Susanto v Koki Matsuda | 3-6,4-6 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Yunseok Jang v Koki Matsuda | 7-5,6-2 |
| ITF M25 Jakarta | 2023/04/18 04:10 | Koki Matsuda v Andrew Rogers | 6-7,6-3,10-4 |
| ITF M25 Jakarta | 2023/04/17 07:00 | Koki Matsuda v Gunawan Trismuwantara | 6-1,6-4 |
| ITF M25 Kashiwa | 2023/04/03 01:00 | Koki Matsuda v Issei Okamura | 1-6,2-6 |
| ITF M25 Kashiwa | 2023/04/02 02:30 | Koki Matsuda v Krittin Koaykul | 6-3,6-3 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/06/04 04:15 | Krittin Koaykul v Bang Shuo Yin | 4-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/06/01 03:45 | Nitin Kumar Sinha v Krittin Koaykul | 7-5,7-5 |
| ITF M15 Nakhon Si Thammarat | 2023/05/30 01:50 | Krittin Koaykul v Thanapet Chanta | 6-3,6-4 |
| ITF M25 Kashiwa | 2023/04/02 02:30 | Koki Matsuda v Krittin Koaykul | 6-3,6-3 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Krittin Koaykul v Shohei Chikami | 1-6,3-6 |
| ITF M15 Jakarta Qual | 2023/01/22 05:35 | Krittin Koaykul v Ha Minh Duc Vu | 6-4,4-6,4-10 |
| Challenger Nonthaburi | 2023/01/15 06:05 | Krittin Koaykul v Evgeny Donskoy | 2-6,4-6 |
| ITF M25 Jakarta | 2022/11/03 03:30 | Konstantin Kravchuk v Krittin Koaykul | 6-1,6-1 |