After initially trialling with Eredivisie side Ajax, Suk signed 1.5-year contract with the Dutch club in October 2010.

[1][2] He made his debut in the first team in February as a substitute in a 4–0 home win against Roda JC.

[9] However, he also failed to settle in Nacional, and transferred to another Portuguese club Vitória de Setúbal on 12 January 2015.

His flow was stopped for the rest of the season, and he moved to Trabzonspor on 11 August 2016 on a one-year loan with an option to sign permanently.

[16][17] On 31 January 2017, after half a season at Trabzonspor and not finding much success, Suk's loan was cut short.

[18][19] On 14 February 2017, Suk joined Hungarian side Debrecen on loan for the rest of the season.

He was on the list of draft dodgers of the Military Manpower Administration in December 2020 by rejecting their demand for his return.

After the end of the grace period, he joined Namyangju FC, another K4 League club at which social service agents could serve, on 12 February 2025.

[35] Suk played for South Korean under-23 team as an over-aged player in the 2016 Summer Olympics.

[37] Some people have mistakenly thought that Suk was Muslim due to his goal celebration resembling the Salat.

Suk's tendency to visibly pray in matches has occasionally been criticized by Korean pundits and fans.

[39] During his time at Porto, Suk became good friends with Spanish goalkeeping legend Iker Casillas.