| Hungarian Int. | 2021/11/05 10:30 | Fabian Roth v Dinuka Karunaratna | L | 2-0 |
| Hungarian Int. | 2021/11/04 13:20 | Dinuka Karunaratna v Gergo Pytel | W | 2-0 |
| Czech Open | 2021/10/22 15:40 | Dinuka Karunaratna v June Wei Cheam | L | 0-2 |
| Czech Open - kval. | 2021/10/21 12:15 | Ivan Kovacevic v Dinuka Karunaratna | W | 0-2 |
| Bulgarian Int. | 2021/10/08 14:10 | Emre Lale v Dinuka Karunaratna | L | 2-0 |
| Bulgarian Int. | 2021/10/08 07:45 | Dinuka Karunaratna v Camilo Borst | W | 2-0 |
| Sudirman Cup | 2019/05/24 10:30 | Nhat Nguyen v Dinuka Karunaratna | L | 2-0 |
| Sudirman Cup | 2019/05/22 10:00 | Christian Kirchmayr v Dinuka Karunaratna | W | 0-2 |
| Czech Open | 2021/10/22 09:40 | Collins Valentine Filimon v June Wei Cheam | L | 1-2 |
| Czech Open - kval. | 2021/10/21 10:55 | Balazs Papai v Collins Valentine Filimon | W | 0-2 |
| Polish Int. | 2021/09/26 08:20 | Collins Valentine Filimon v Kiran George | L | 0-2 |
| Polish Int. | 2021/09/25 16:50 | Collins Valentine Filimon v Julien Carraggi | W | 2-1 |
| Polish Int. | 2021/09/25 08:40 | Gustav Bjorkler v Collins Valentine Filimon | W | 1-2 |
| Polish Int. | 2021/09/24 18:40 | Ludvig Petre Olsson v Collins Valentine Filimon | W | 0-2 |
| Ukraine Int. | 2021/09/09 08:20 | Ken Yon Ong v Collins Valentine Filimon | L | 2-0 |
| Ukraine Int. | 2021/09/08 08:20 | Glib Beketov v Collins Valentine Filimon | W | 0-2 |