[1] He bowls left arm orthodox spin and a lower order batsman who can bat a bit.
[5] He made his List A debut on 6 December 2011 for Colombo Cricket Club against Sri Lanka Army during the 2011/12 Premier Limited Over Tournament.
[13] In October 2020, he was drafted by the Jaffna Stallions for the inaugural edition of the Lanka Premier League.
[16] In July 2018, he was named in Sri Lanka's One Day International (ODI) squad for their series against South Africa.
[20] The reason for his exclusion was initially reported by media that Jayasiriya had failed to complete the mandatory two kilometre fitness run inside eight minutes which was in force during the tenure of Mickey Arthur as head coach but the reports were rubbished by SLC as it clarified that Jayasuriya was snubbed based on his skinfold tests.
[24] With the lack of backup frontline spinners, captain Dimuth Karunaratne brought Prabath Jayasuriya in the lineup to face Australia in the decisive test having played alongside him for the same club.
[27] In the second innings of the match, he took another five-wicket haul,[28] to finish with the best bowling figures for a Sri Lanka player on debut and fourth best overall, with 12 for 177.
[29] He also became the second bowler for Sri Lanka to take two five-wicket hauls on Test debut after Praveen Jayawickrama.
[37][38] During the New Zealand tour in March 2023, he took only 4 wickets for 224 runs in two matches, where Sri Lanka lost the series 2-0.
[45] In the first Test against New Zealand, Jayasuriya delivered a match-winning five-wicket haul in the second, where Sri Lanka won the match by 63 runs.
[46] In the first innings of the second Test, Jayasuriya took his ninth five-wicket haul and finished with 6 for 42, where New Zealand bundled out for 88, their lowest all-out total against Sri Lanka.