[1][2] Loh made his international debut at the under–21 level as a member of the Canada U–21 squad at the 2023 Men's Junior Pan American Championship in Bridgetown, Barbados.

[3] Later in the year he represented the team again at the FIH Junior World Cup in Kuala Lumpur.

[4] In 2024 Loh was named to the Canada U–21 squad at the 2024 Men's Junior Pan American Championship in Surrey, British Columbia.

[7] He helped the team to a fifth place finish, jumping three slots from their last Nations Cup appearance.

[8] [1] [2] This biographical article relating to a Canadian field hockey figure is a stub.