Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Loughborough | 2022/01/23 12:55 | Worarin Kumthonkittikul v Alec Beckley | 5-7,4-6 |
| ITF M25 Nonthaburi | 2020/02/03 06:00 | Worarin Kumthonkittikul v Ray Ho | 3-6,3-6 |
| ITF M25 Nonthaburi | 2020/02/02 06:10 | Pawin Jirapoomdaje v Worarin Kumthonkittikul | 6-7,6-1,6-10 |
| ITF M25 Nonthaburi | 2020/01/26 06:05 | Worarin Kumthonkittikul v Naoki Nakagawa | 4-6,2-6 |
| ITF M15 Nonthaburi | 2019/12/02 02:30 | Dominik Palan v Worarin Kumthonkittikul | 6-2,6-4 |
| ITF M15 Nonthaburi Qual | 2019/12/01 02:30 | Worarin Kumthonkittikul v Weibowen Zou | 7-5,6-3 |
| ITF M15 Nonthaburi | 2019/11/24 02:30 | Jeamoon Lee v Worarin Kumthonkittikul | 6-1,6-1 |
| ITF M15 Meshref | 2019/11/14 10:05 | Valentin Royer v Worarin Kumthonkittikul | 6-1,6-0 |
| ITF M25 Nonthaburi | 2020/02/02 08:05 | Michael Mathayomchand v Thantub Suksumrarn | 2-6,2-6 |
| ITF M25 Nonthaburi | 2020/01/26 09:35 | Maximilian Neuchrist v Michael Mathayomchand | 6-1,6-2 |
| Challenger Bangkok 2 | 2020/01/20 05:45 | Evgeny Karlovskiy v Michael Mathayomchand | 6-3,6-2 |
| Challenger Bangkok | 2020/01/12 06:20 | Michael Mathayomchand v Aleksandr Nedovyesov | 3-6,0-6 |
| ITF M15 Nonthaburi Qual | 2019/12/01 11:20 | Benjamin Pietri v Michael Mathayomchand | 6-3,6-4 |
| ITF M15 Nonthaburi | 2019/11/24 03:50 | Tomohiro Masabayashi v Michael Mathayomchand | 6-2,6-0 |
| ITF M15 Hua Hin | 2019/09/02 05:40 | Michael Mathayomchand v Wei-De Lin | 6-7,3-6 |
| ITF M15 Hua Hin | 2019/08/27 07:20 | Michael Mathayomchand v Rishi Reddy | 6-7,3-6 |