Ku qor sii wadida faqradan - Intaa waxaa sii dheer, wuxuu ka caawiyay Sri Lanka inuu ku guuleysto seddex billadood oo dahab ah iyo laba billadood oo qalin ah dhammaan shanta relays, isagoo keenay billaddiisa billaddiisa toddoba dahab ah iyo saddex billadood oo qalin ah, isagoo la jaanqaaday walaalkiis Matthew inta badan biladaha la helay. Windsor, Abeysinghe wuxuu jabiyay laba rikoodh oo qaran oo ah 200-mitir Individual Medley (IM) iyo 200-mitir Freestyle. Rikoorka 200m IM waxaa horey u haystay ciyaaryahankii Olombikada London ee 2012 Heshan Unamboowe iyo rikoorka 200m Freestyle waxaa haystay walaalkiis ka weyn, Olympian, Matthew Abeysinghe. Sannadkii xigay, Ciyaaraha Dhallinyarada ee 2017 ee Commonwealth-ka ee Nassau, Bahamas, Abeysinghe wuxuu gaadhay heerar aan horay loo arag oo guul ah oo Sri Lanka ah, isagoo ku guuleystay laba billadood oo lacag ah oo ka mid ah 50m iyo 100m dhacdooyinka Freestyle. Wuxuu noqday mid ka mid ah ciyaartooyda aadka u yar ee Sri Lankan ah, iyo dabaalyahanka kaliya, ee waligiis bilada ku guuleystay tartan ka tirsan Ciyaaraha Commonwealth. Dhowr bilood ka dib, Abeysinghe wuxuu ku tartamay 2017 FINA World Junior Swimming Championships
Waxaad Horraantii 2018, Abeysinghe wuxuu ku tartamay 2018 Ciyaaraha Barwaaqo Sooranka ee Gold Coast, Australia. Halkaas, wuxuu ka mid ahaa 4x100 Relay Freestyle, kooxdii ugu horreysay ee dabaasha Sri Lanka ee abid ku guuleysata finalka Ciyaaraha Barwaaqo Sooranka. Dabayaaqadii isla sanadkaas, intii lagu jiray Ciyaarihii Aasiya ee 2018 ee ka dhacay Jakarta, Indonesia, Abeysinghe wuxuu dabaashay orodka labaad ee ugu dhaqsaha badan 100m ee Freestyle oo uu sameeyay Sri Lankan, oo ka dambeeyay walaalkiis ka weyn, Matthew. Intaa ka dib, Abeysinghe ayaa loo qoondeeyay inuu ku tartamo Olombikada Ciyaaraha Dhalinyarada ee 2018 ee Argentina, isagoo isu diyaarinaya tartan kale oo bilado ah. Sababtoo ah sababo caafimaad awgood, ma awoodin inuu tartamo, badalkiisana, saaxiibkiis Akalanka Pieris ayaa ka qeyb galay. Bishii Diseembar 2018, Abeysinghe wuxuu ku tartamay 2018 FINA World Swimming Championships (25 m) magaalada Hangzhou, Shiinaha.