| Giraldilla Int. XD | 2018/07/25 06:10 | Sitthikom Thammasin v Kodai Naraoka | W | 2-0 |
| Swiss Open - Kwal. - DD | 2018/07/17 01:40 | Sitthikom Thammasin v Sony Dwi Kuncoro | L | 0-2 |
| Thailand Open | 2018/07/12 08:40 | Kantaphon Wangcharoen v Sitthikom Thammasin | L | 2-0 |
| Thailand Open | 2018/07/11 12:00 | Sitthikom Thammasin v Toby Penty | W | 2-1 |
| Swiss Open - Kwal. - DD | 2018/07/10 06:00 | Sitthikom Thammasin v Rahul Yadav Chittaboina | W | 2-0 |
| Swiss Open - Kwal. - DD | 2018/07/10 01:52 | Yuehang Wang v Sitthikom Thammasin | W | 0-2 |
| Giraldilla Int. XD | 2018/06/21 21:40 | Junpeng Zhao v Sitthikom Thammasin | L | 2-0 |
| Giraldilla Int. XD | 2018/06/20 19:40 | Sitthikom Thammasin v Kai Schaefer | W | 2-0 |
| Giraldilla Int. XD | 2018/07/25 00:40 | Batdavaa Munkhbat v Firman Abdul Kholik | W | 0-2 |
| Giraldilla Int. XD | 2018/07/24 01:30 | Chuan-En Hu v Firman Abdul Kholik | W | 0-2 |
| Indonesia Masters - GD | 2018/07/18 06:40 | Firman Abdul Kholik v Ihsan Maulana Mustofa | L | 1-2 |
| Swiss Open - Kwal. - DD | 2018/07/17 00:55 | Kai Schaefer v Firman Abdul Kholik | W | 1-2 |
| Swiss Open - Kwal. - DD | 2018/07/10 01:52 | Rahul Yadav Chittaboina v Firman Abdul Kholik | L | 2-1 |
| Indonesia Masters - GD | 2018/05/23 09:00 | Firman Abdul Kholik v Young Woong Ha | W | 2-1 |
| Indonesia Masters - GD | 2018/05/22 14:00 | Firman Abdul Kholik v Pannawit Thongnuam | W | 2-0 |
| Indonesia Masters - GD | 2018/05/20 04:00 | Firman Abdul Kholik v Paul-Antoine Dostie-Guindon | W | 2-0 |