| Czech Open Qual | 2021/10/21 12:15 | Ivan Kovacevic v Karunaratna, D. | W | 0-2 |
| Bulgarian Int | 2021/10/08 14:10 | Emre Lale v Karunaratna, D. | L | 2-0 |
| Bulgarian Int | 2021/10/08 07:45 | Karunaratna, D. v Camilo Borst | W | 2-0 |
| Sudirman Cup | 2019/05/24 10:30 | Nhat Nguyen v Karunaratna, D. | L | 2-0 |
| Sudirman Cup | 2019/05/22 10:00 | Kirchmayr, Christian v Karunaratna, D. | W | 0-2 |
| Sudirman Cup | 2019/05/21 11:00 | Karunaratna, D. v Sames, Mark | W | 2-0 |
| Sudirman Cup | 2019/05/20 04:00 | Karunaratna, D. v Milan Dratva | W | 2-0 |
| Tong Yun Kai Cup | 2019/03/20 11:30 | Kantaphon Wangcharoen v Karunaratna, D. | L | 2-0 |
| Czech Open | 2021/10/22 09:40 | Collins Valentine Filimon v June Wei Cheam | W | 1-2 |
| Thomas Cup | 2021/10/14 07:10 | Kanta Tsuneyama v June Wei Cheam | L | 2-0 |
| Thomas Cup | 2021/10/12 17:30 | June Wei Cheam v Ho-Shue, Jason Anthony | W | 2-0 |
| Masters d'Espagne | 2021/05/21 12:30 | Shesar Hiren Rhustavito v June Wei Cheam | L | 2-0 |
| Masters d'Espagne | 2021/05/20 08:15 | Burestedt, Felix v June Wei Cheam | W | 1-2 |
| Masters d'Espagne | 2021/05/19 08:55 | Christensen, Jeppe Bruun v June Wei Cheam | W | 0-2 |
| Orléans Masters | 2021/03/25 13:55 | Srikanth Kidambi v June Wei Cheam | L | 2-0 |
| Orléans Masters | 2021/03/24 13:25 | Samuel Hsiao v June Wei Cheam | W | 0-2 |