[10] In May 2016, he was named to the USL Team of the Week, after recording his first professional assist in a 3-2 win over Tulsa Roughnecks FC.
[11][5][12] In 2018, rather than sign a USL deal with the Whitecaps new affiliate, Fresno FC, Chung would elect to pursue opportunities outside of Canada.
[15] In November 2018, Chung became the first ever player to sign with Pacific FC of the Canadian Premier League, ahead of their debut season in 2019.
[26][27] In January 2022, Chung went on trial with Major League Soccer club Toronto FC.
[39][40] On February 28, 2023, Chung and Toronto FC agreed to terminate his contract by mutual consent.
[46] In May, he suffered a broken collarbone during a match, keeping his out for the bulk of the 2023 season, eventually returning to action in late August.
[50] In June 2013, he made his debut in the Canadian youth program, attending a camp for the Canada U15 team.
[1] In April 2014, he was named to the Canada U16 squad for the Montaigu Tournament in France,[51] as well as for the U16 Copa Mexico de Naciones.
[58][59] In August 2016, he was called up to the U-20 team for a pair of friendlies against Costa Rica[60] In February 2017, Chung was named to Canada's roster for the 2017 CONCACAF U-20 Championship[61][62] In March 2017, he played with the Canadian U23 at the 2017 Qatar U23 tournament.