| 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 |
| Tong Yun Kai Cup | 2019/03/19 11:30 | Mustofa, Ihsan Maulana v Karunaratna, D. | L | 2-0 |
| Dutch Open | 2018/10/10 12:35 | Karunaratna, D. v Parupalli, Kashyap | L | 1-2 |
| Dutch Open | 2018/10/09 16:40 | Karunaratna, D. v Karan Rajan Rajarajan | W | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/27 08:00 | Ade Resky Dwicahyo v Karunaratna, D. | L | 2-0 |
| Giraldilla Int. XD | 2018/09/21 15:10 | Lu, C. H. v Karunaratna, D. | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/21 07:00 | Karunaratna, D. v Hammes, Felix | W | 2-0 |
| Sudirman Cup | 2019/05/20 04:00 | Tobias Kuenzi v Sames, Mark | W | 1-2 |