33 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Amarathunga, Kosala Sandeepa Chamikara | Saif, Malek | 1-0 | A05 | 45th FIDE Chess Olympiad | 2024-09-21 |
| Amarathunga, Kosala Sandeepa Chamikara | Ahmed Hassan | 1/2-1/2 | A04 | 45th FIDE Chess Olympiad | 2024-09-19 |
| Amarathunga, Kosala Sandeepa Chamikara | Song, Raymond | 0-1 | B40 | 45th FIDE Chess Olympiad | 2024-09-16 |
| Amarathunga, Kosala Sandeepa Chamikara | Delgado Rosas, Alex Antonio | 1/2-1/2 | A01 | 45th FIDE Chess Olympiad | 2024-09-15 |
| Amarathunga, Kosala Sandeepa Chamikara | Bongo Akanga Ndjila, Barthelemy | 1-0 | A01 | 45th FIDE Chess Olympiad | 2024-09-12 |
| Amarathunga, Kosala Sandeepa Chamikara | Barsov, Alexei | 0-1 | C01 | Round 8: Amarathunga, Kosala Sandeepa Chamikara - Barsov, Alexei | 2024-08-02 |
| Amarathunga, Kosala Sandeepa Chamikara | Samaranayake, Pamok Methdinu | 1/2-1/2 | B31 | Round 5: Amarathunga, Kosala Sandeepa Chamikara - Samaranayake, Pamok Methdinu | 2024-07-31 |
| Amarathunga, Kosala Sandeepa Chamikara | Kazi Afsan Rawnak, Anan | 0-1 | B52 | Asian Academies Hybrid Chess Championship | 2021-11-21 |
| Amarathunga, Kosala Sandeepa Chamikara | Sakline Mostafa, Sajid | 0-1 | B40 | Asian Academies Hybrid Chess Championship | 2021-11-21 |
| Amarathunga, Kosala Sandeepa Chamikara | Babaei, Amir Hossein | 0-1 | B19 | Asian Academies Hybrid Chess Championship | 2021-11-21 |
| Amarathunga, Kosala Sandeepa Chamikara | Choudhury, Swarnavo | 0-1 | B40 | World Youth Cup 2021 O16-G12 - Open 16 | 2021-08-16 |
| Amarathunga, Kosala Sandeepa Chamikara | Li, Allen | 1-0 | B15 | World Youth Cup 2021 O16-G12 - Open 16 | 2021-08-16 |
| Amarathunga, Kosala Sandeepa Chamikara | Ozsac, Samet Harun | 0-1 | B30 | World Youth Cup 2021 O16-G12 - Open 16 | 2021-08-16 |
| Amarathunga, Kosala Sandeepa Chamikara | Centrih, Aleks | 0-1 | C57 | World Youth Cup 2021 O16-G12 - Open 16 | 2021-08-16 |