Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2023/08/23 05:40 | Taiyo Yamanaka v Collin Altamirano | 6-3,1-6,4-6 |
| ITF M15 Caloundra | 2023/08/01 04:45 | Daisuke Sumizawa v Taiyo Yamanaka | 4-6,6-3,7-6 |
| ITF M15 Caloundra | 2023/07/25 03:45 | Taiyo Yamanaka v Casey Hoole | 2-6,5-7 |
| ITF M15 Brčko | 2023/05/22 07:30 | Taiyo Yamanaka v Timothy Gray | 6-4,6-4 |
| ITF M15 Prijedor | 2023/05/18 08:45 | Igor Gimenez v Taiyo Yamanaka | 6-4,4-6,10-5 |
| ITF M15 Doboj | 2023/05/10 14:30 | Marat Sharipov v Taiyo Yamanaka | 6-3,6-2 |
| ITF M15 Doboj | 2023/05/09 08:00 | Taiyo Yamanaka v Radomir Tomic | 2-6,6-7 |
| ITF M15 Doboj | 2023/05/08 08:00 | Taiyo Yamanaka v Federico Mirgone | 6-0,6-0 |
| ITF M15 Nakhon Si Thammarat | 2023/08/28 01:50 | James Watt v Thantub Suksumrarn | 4-6,2-6 |
| ITF M15 Nakhon Si Thammarat - kval | 2023/08/27 03:30 | Jordan Chiu v Thantub Suksumrarn | 2-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/23 04:50 | Khumoyun Sultanov v Thantub Suksumrarn | 6-1,6-2 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 02:00 | Patrik Oplustil v Thantub Suksumrarn | 7-5,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/07/03 05:00 | Thantub Suksumrarn v Congsup Congcar | 6-1,6-7,8-10 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 04:30 | Thantub Suksumrarn v Blake Bayldon | 6-3,6-1 |
| ITF M25 Nakhon Si Thammarat | 2023/06/14 03:30 | Shinji Hazawa v Thantub Suksumrarn | 6-3,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/06/06 02:00 | Shinji Hazawa v Thantub Suksumrarn | 6-0,6-3 |