[3] Song would make his debut on 30 August 2014 in a league game against Gamba Osaka that ended in a 5–0 defeat.

[5] Upon his return he would establish himself as a regular within the team, however he was part of the squad that was relegated to the second tier at the end of the 2017 J1 League season.

[6] On 10 January 2019, Song returned to South Korea to join top-tier club Gyeongnam on a free transfer after his contract finished with Albirex Niigata.

[9] On 11 January 2021, Song returned to South Korean, joining K League 1 club Jeju United.

[12] He would go on to make his senior international debut on 10 October 2017 in a friendly match against Morocco that ended in a 3–1 defeat.