Avishka Fernando has the record for scoring the most runs in Youth ODI history for Sri Lanka (1379 runs)[2] He too has the record for scoring the most centuries for Sri Lanka in Youth ODI history(4).
In October 2020, he was drafted by the Jaffna Stallions for the inaugural edition of the Lanka Premier League.
Courtesy of his knock, Jaffna Stallions easily chased down 170 target and won the match by 5 wickets.
[14] On 18 March 2021, semi final of 2020-21 SLC Twenty-20 Tournament, Avishka scored match winning 65 runs from 48 balls against Colombo Cricket Club.
[16] On 1 April 2021, Major Clubs Limited Over tournament, Avishka scored match winning century.
[19] In November 2021, he was selected to play for the Jaffna Kings following the players' draft for the 2021 Lanka Premier League.
He also put 105 run partnership with Jaffna Kings captain Thisara Perera, who also scored a half century.
[26] On 23 December 2022, Finals against Colombo Stars, Avishka Fernando scored his 16th T20 half century.
[28] On 17 December 2023 against NCC, Avishka scored 100 off 79 balls with 7 4s and 6 6s, being his 10th List A century and as a result SSC won the match by 14 runs.
[29] On 14 January 2024 against Colts Cricket Club, he scored 125* off 138 balls, his 11th List A century, guiding the team for the victory.
[31] He earned his first call-up to the national ODI team without having played any T20 or List A or first-class cricket.
He made his One Day International debut for Sri Lanka against Australia on 31 August 2016 at Dambulla.
[35][36] He played as the opening partner for skipper Dimuth Karunaratne in ODI series against Scotland prior to the World Cup.
His stroke play against England pacer Jofra Archer with 24 off 15 balls was described by former Sri Lankan batsman Kumar Sangakkara as, "He's got timing, this boy!"
Sri Lanka won the match by 20 runs to continue fourth consecutive World Cup win over England.
Following the World Cup, the International Cricket Council (ICC) named Fernando as the rising star of the squad.
[40] During the second ODI against Bangladesh, he scored a match-winning knock 82 off 75 balls to win the match by 7 wickets.
With that match, Sri Lanka won the series 2-0 which was recorded as their first win after 44 months on home soil.
[43] West Indies collapse in the chase and Sri Lanka won the match by 161 runs.
[45][46] On 23 July 2021 against India, he scored his 5th ODI half century and guided victory for Sri Lanka.
[49] Later the same month, Fernando was named in Sri Lanka's squad for the 2021 ICC Men's T20 World Cup.
He scored unbeaten 83 runs and put strong partnership with captain Dasun Shanaka, who smashed 51 off 24.
[51] Their first warm-up match in Abu Dhabi against Bangladesh, Sri Lanka won by four wickets with an over to spare.
[54] In the third ODI, he scored 91 runs and made 173-run opening partnership with Nissanka, and Sri Lanka eventually won the match and series 3-0.