Stadium: Court B Round: 25 Ground: Hardcourt outdoor
| ITF M15 Hua Hin | 2019/08/28 06:15 | Thantub Suksumrarn v Dayne Kelly | 2-6,7-6,0-6 |
| ITF M15 Hua Hin | 2019/08/21 03:00 | Taisei Ichikawa v Thantub Suksumrarn | 6-7,6-4,6-2 |
| ITF M15 Jakarta | 2019/08/08 02:30 | Manish Sureshkumar v Thantub Suksumrarn | 6-4,6-4 |
| ITF M15 Jakarta | 2019/08/07 02:30 | Li-Wei Tan v Thantub Suksumrarn | 2-6,0-6 |
| ITF M25 Nonthaburi | 2019/07/23 02:30 | Dusty H. Boyer v Thantub Suksumrarn | 6-2,6-2 |
| ITF M25 Nonthaburi | 2019/07/22 04:45 | Thantub Suksumrarn v Nitin Kumar Sinha | 6-3,6-4 |
| ITF Thailand F11 Qual | 2017/12/02 06:00 | Thantub Suksumrarn v Tihomir Grozdanov | 6-7,2-6 |
| ITF Thailand F8 Qual | 2017/10/07 03:00 | Jirat Navasirisomboon v Thantub Suksumrarn | 4-6,7-5,6-1 |