[1][2][3] With North Korea under-23, Kang featured in the AFC U-23 Championship in 2018 and 2020 and scored 1 goal in the 2020 edition from a long-range free kick against Vietnam.
[4] In September 2023, Kang was called up to North Korea Olympic squad for the 2022 Asian Games in China.
[5] He scored a goal in the round of 16 against Bahrain to qualify his team to the quarter-finals, where they got eliminated.
[6] In 2016, Kang made his debut with the North Korea national team.
[1][2] Later, he was named in North Korea's final 23-men squad for the 2019 AFC Asian Cup, being the youngest member of the team.