| Date | Chess tournament name | Status | 
|---|---|---|
| 2018-12-01 to 2018-12-03 | Sri Lanka Inter Club [B] Team Chess Championship 2018 ![]()  | 
                                                                                                Finished | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2014.08.26 | Jayasena, Tharaka Udayanga (1425)  vs (1454) Karthik, Kumar Pradeep 10th Asian Schools Chess Championship 2014 U11 Open Sicilian Dragon  | 
                                                                                                                                                0-1 | B70 | |
| 2014.08.25 | Abeysinghe, S M A M vs (1425) Jayasena, Tharaka Udayanga 10th Asian Schools Chess Championship 2014 U11 Open Reti  | 
                                                                                                                                                1/2-1/2 | A04 | |
| 2014.08.25 | Jayasena, Tharaka Udayanga (1425)  vs (1727) Tan, Jun Ying 10th Asian Schools Chess Championship 2014 U11 Open Sicilian Barnes (Bastrikov)  | 
                                                                                                                                                0-1 | B48 | |
| 2011.04.22 | Jayasena, Chamuditha Prabath vs (2021) Dissanayake, R S Dhamso International Chess Fes Scotch - Scotch  | 
                                                                                                                                                0-1 | C45 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2011.04.22 | Jayasena, Chamudith vs (2021) Dissanayake, RS. Dhamso Open Scotch - Scotch  | 
                                                                                                                                                0-1 | C45 |