| Thailand Open | 2018/07/11 04:00 | Pannawit Thongnuam v Khosit Phetpradab | W | 0-2 |
| Indonesia Open | 2018/07/04 03:15 | Tommy Sugiarto v Khosit Phetpradab | L | 2-1 |
| All England Open | 2018/06/26 06:00 | Viktor Axelsen v Khosit Phetpradab | L | 2-1 |
| US Open | 2018/06/16 21:45 | Dong Keun Lee v Khosit Phetpradab | L | 2-1 |
| US Open | 2018/06/16 01:30 | Khosit Phetpradab v Guangzu Lu | W | 2-1 |
| US Open | 2018/06/14 22:40 | Khosit Phetpradab v Jason Anthony Ho-Shue | W | 2-0 |
| US Open | 2018/06/14 02:30 | Khosit Phetpradab v Jacob Nilsson | W | 2-0 |
| Indonesia Masters XD | 2018/05/23 07:00 | Khosit Phetpradab v Jason Anthony Ho-Shue | W | 2-0 |
| Thailand Open | 2018/07/11 04:40 | Rajiv Ouseph v Yun Hu | W | 2-1 |
| Indonesia Open | 2018/07/03 03:30 | Yuqi Shi v Rajiv Ouseph | L | 2-1 |
| All England Open | 2018/06/26 06:00 | Yuqi Shi v Rajiv Ouseph | L | 2-0 |
| Indonesia Masters XD | 2018/04/29 11:30 | Viktor Axelsen v Rajiv Ouseph | L | 2-0 |
| Indonesia Masters XD | 2018/04/28 12:00 | Rajiv Ouseph v Jan O Jorgensen | W | 2-1 |
| Indonesia Masters XD | 2018/04/27 15:00 | Lucas Corvee v Rajiv Ouseph | W | 1-2 |
| Indonesia Masters XD | 2018/04/25 16:20 | Luis Enrique Penalver v Rajiv Ouseph | W | 0-2 |
| Indonesia Masters XD | 2018/04/14 03:13 | Srikanth Kidambi v Rajiv Ouseph | L | 2-0 |