| Welsh Int. Qual | 11/29 10:00 | - | Harry Huang v Dinuka Karunaratna | L | 2-1 | |
| Swedish Open | 01/21 16:20 | - | Dinuka Karunaratna v Victor Ørding Kauffmann | L | 0-2 | |
| Swedish Open | 01/21 10:00 | - | Dinuka Karunaratna v Iikka Heino | W | 2-0 | |
| Scottish Open | 11/25 21:30 | - | Dinuka Karunaratna v Rasmus Messerschmidt | L | 0-2 | |
| Scottish Open Qual | 11/25 15:25 | - | Dinuka Karunaratna v Ethan Rose | W | 2-1 | |
| Scottish Open Qual | 11/25 12:30 | - | Dinuka Karunaratna v Collins Valentine Filimon | - | Walkover | |
| Hungarian Int. | 11/05 10:30 | - | Fabian Roth v Dinuka Karunaratna | L | 2-0 | |
| Hungarian Int. | 11/04 13:20 | 6 | Dinuka Karunaratna v Gergo Pytel | W | 2-0 | |
| Hungarian Int. Qual | 11/03 14:20 | - | Nikita Makoveev v Dinuka Karunaratna | D |
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| Czech Open | 10/22 15:40 | - | Dinuka Karunaratna v June Wei Cheam | L | 0-2 | |
| Czech Open Qual | 10/21 12:15 | - | Ivan Kovacevic v Dinuka Karunaratna | W | 0-2 | |
| Bulgarian Int | 10/08 14:10 | - | Emre Lale v Dinuka Karunaratna | L | 2-0 | |
| Bulgarian Int | 10/08 07:45 | - | Dinuka Karunaratna v Camilo Borst | W | 2-0 | |
| Belarus Int. | 08/30 13:00 | - | Dinuka Karunaratna v Milan Ludik | - | Walkover | |
| Sudirman Cup | 05/24 10:30 | - | Nhat Nguyen v Dinuka Karunaratna | L | 2-0 | |
| Sudirman Cup | 05/22 10:00 | - | Christian Kirchmayer v Dinuka Karunaratna | W | 0-2 | |
| Sudirman Cup | 05/21 11:00 | - | Dinuka Karunaratna v Mark Sames | W | 2-0 | |
| Sudirman Cup | 05/20 04:00 | - | Dinuka Karunaratna v Milan Dratva | W | 2-0 | |
| Tong Yun Kai Cup | 03/20 11:30 | - | Kantaphon Wangcharoen v Dinuka Karunaratna | L | 2-0 | |
| Tong Yun Kai Cup | 03/19 11:30 | - | Ihsan Maulana Mustofa v Dinuka Karunaratna | L | 2-0 | |
| Dutch Open | 10/10 12:35 | 5 | Dinuka Karunaratna v Kashyap Parupalli | L | 1-2 | |
| Dutch Open | 10/09 16:40 | 6 | Dinuka Karunaratna v Karan Rajan Rajarajan | W | 2-1 | |
| Swiss Open WD Qual | 09/27 08:00 | 1 | Ade Resky Dwicahyo v Dinuka Karunaratna | L | 2-0 | |
| Giraldilla Int. XD | 09/21 15:10 | 1 | Chia Hung Lu v Dinuka Karunaratna | L | 2-1 | |
| Swiss Open WD Qual | 09/21 07:00 | 1 | Dinuka Karunaratna v Felix Hammes | W | 2-0 | |
| Indonesia Masters XD | 11/23 16:40 | 5 | Dinuka Karunaratna v Toby Penty | L | 1-2 | |
| Indonesia Masters XD | 11/22 20:50 | 6 | Dinuka Karunaratna v Richard Kuhl | W | 2-0 | |
| Indonesia Masters XD | 05/21 08:08 | - | Dinuka Karunaratna v Martin Feussner | W | 2-0 | |
| Indonesia Masters XD | 09/30 09:32 | - | Dinuka Karunaratna v Bjorn Seguin | W | 2-0 | |
| Indonesia Masters XD | 09/29 13:51 | - | Dinuka Karunaratna v Eetu Heino | W | 2-0 |