Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Nakhon Si Thammarat | 2024/08/25 05:35 | Guntinun Sootinun-Opart v Hugo Pierre | 6-7,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/19 04:00 | Chan-Yeong Oh v Guntinun Sootinun-Opart | 6-1,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/08/18 03:15 | Guntinun Sootinun-Opart v Abraham Asaba | 7-5,6-1 |
| ITF M15 Nakhon Si Thammarat Qual | 2024/07/14 08:15 | Guntinun Sootinun-Opart v Rishi Reddy | 6-7,3-6 |
| ITF M15 Nakhon Si Thammarat Qual | 2024/07/07 02:00 | Guntinun Sootinun-Opart v Julien De Cuyper | 3-6,6-3,4-10 |
| ITF M15 Nakhon Si Thammarat | 2024/06/30 01:55 | Guntinun Sootinun-Opart v Ha Minh Duc Vu | 2-6,2-6 |
| ITF M15 Hong Kong | 2024/06/17 02:00 | Guntinun Sootinun-Opart v Shan-Yuan Ou | 6-7,4-6 |
| ITF M15 Hong Kong | 2024/06/10 02:00 | William Jansen v Guntinun Sootinun-Opart | 2-6,6-0,10-1 |