Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF Thailand F4 | 2018/09/22 02:30 | Worarin Kumthonkittikul v Yani Kimon Doumanis | 6-2,6-2 |
| ITF Thailand F3 | 2018/09/02 02:00 | Worarin Kumthonkittikul v Pol Wattanakul | 1-6,2-6 |
| ITF Thailand F2 | 2018/08/25 04:00 | Tsung-Hao Huang v Worarin Kumthonkittikul | 6-3,7-6 |
| ITF Thailand F1 | 2018/08/20 02:00 | Phongsapak Kerdlaphee v Worarin Kumthonkittikul | 6-2,6-3 |
| ITF Thailand F1 | 2018/08/19 05:00 | Worarin Kumthonkittikul v Gregory Nitayamekin | 6-1,6-0 |
| ITF Thailand F1 | 2018/08/18 04:20 | Nitiwat Jityaem v Worarin Kumthonkittikul | 1-6,1-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Jeong Heon Lee v Worarin Kumthonkittikul | 6-2,6-3 |
| ITF Korea F4 | 2018/08/11 01:00 | Sang Yeop Kim v Worarin Kumthonkittikul | 0-6,3-6 |
| ITF Thailand F4 | 2018/09/22 02:30 | Hyung-Chan Lim v Tonkla Mulada | 6-3,3-6,6-3 |
| ITF Korea F6 | 2018/08/29 04:30 | Chan-Yeong Oh v Hyung-Chan Lim | 6-2,6-2 |
| ITF Korea F6 | 2018/08/27 03:00 | Hyung-Chan Lim v Uisung Park | 6-3,4-6,6-0 |
| ITF Korea F6 | 2018/08/26 02:00 | Dae-Hee Lee v Hyung-Chan Lim | 3-6,2-6 |
| ITF Korea F5 | 2018/08/18 02:00 | Dong Woon Kang v Hyung-Chan Lim | 6-4,6-4 |
| ITF Korea F4 | 2018/08/12 02:00 | Hyung-Chan Lim v Seong Woon Yu | 4-6,4-6 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Yu Hsiang Chiu v Hyung-Chan Lim | 4-6,4-6 |
| ITF Korea F1 | 2018/06/02 01:00 | Hyung-Chan Lim v Donghwi Shin | 6-2,7-5 |