[5] When playing for Vissel Kobe, Kim was selected as one of three outstanding J.League goalkeepers in the 2016 season, who were nominated for the J.League Best XI, but lost to Shusaku Nishikawa.

[8] He kept clean sheets in all four matches until the quarter-finals of the 2023 Arab Club Champions Cup, but conceded three goals in a semi-final defeat against Al-Hilal.

[10] Kim was named in South Korea's squad for the 2014 FIFA World Cup as the second-choice goalkeeper behind Jung Sung-ryong.

[12] Kim was selected for South Korea's squad for the 2018 FIFA World Cup in Russia,[13] but the manager Shin Tae-yong chose Jo Hyeon-woo as his main goalkeeper, and so he couldn't appear during the competition.

During the group stage, he was criticised for failing to block any of Ghana's three shots on target, but proved his abilities by conceding only one goal against Uruguay and Portugal.

[16] Known as one of the most versatile goalkeepers in South Korea, Kim is originally noted for his quick reflexes and movement, and also polished up his passing skills in the J1 League.