| French Open | 2018/10/25 17:00 | Rajiv Ouseph v Kantaphon Wangcharoen | W | 0-2 |
| Thailand Masters | 2019/01/09 05:20 | Kantaphon Wangcharoen v Sitthikom Thammasin | L | 0-2 |
| All England Open | 2018/12/14 10:00 | Kantaphon Wangcharoen v Sameer Verma | L | 0-2 |
| All England Open | 2018/12/13 03:30 | Kento Momota v Kantaphon Wangcharoen | L | 2-0 |
| World Tour | 2018/12/12 05:00 | Tommy Sugiarto v Kantaphon Wangcharoen | L | 2-1 |
| Indonesia Masters - Mixed dubbel | 2018/11/15 12:00 | Kantaphon Wangcharoen v Kenta Nishimoto | L | 1-2 |
| Indonesia Masters - Mixed dubbel | 2018/11/14 10:30 | Ka Long Angus Ng v Kantaphon Wangcharoen | W | 0-2 |
| All England Open | 2018/11/06 07:20 | Long Chen v Kantaphon Wangcharoen | L | 2-1 |
| All England Open | 2018/10/26 18:13 | Kantaphon Wangcharoen v Rasmus Gemke | L | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/24 13:00 | Rajiv Ouseph v Haichao Liu | L | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/23 19:02 | Lucas Corvee v Rajiv Ouseph | W | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/23 18:30 | Lucas Corvee v Rajiv Ouseph | W | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/23 12:00 | Kim Bruun v Rajiv Ouseph | W | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/22 14:00 | Ivan Rusev v Rajiv Ouseph | W | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/04 15:36 | Subhankar Dey v Rajiv Ouseph | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2018/11/04 14:00 | Subhankar Dey v Rajiv Ouseph | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2018/11/03 14:30 | Rajiv Ouseph v Toma Junior Popov | W | 2-1 |