[2][3] He was named in Sri Lankan squad for the 2023 ACC Under-19 Asia Cup which was held in the United Arab Emirates.
[4][5] In January 2024, he was named in Sri Lanka's squad for the 2024 ICC Under-19 Cricket World Cup which was held in South Africa.
[6][7][8] Sanketh had an underwhelming Under-19 World Cup campaign in 2024, where he only managed to pick up two scalps in four matches.
Sanketh's release point at his bowling followthrough during his runup is believed to be slightly higher than that of Pathirana's.
[10] In April 2024, he was roped in as a net bowler by the Delhi Capitals franchise during the 2024 Indian Premier League.