Joo-sung Kim
MF · Born January 17, 1966
Age in each playoff game
- 1986 Group stage (June 2, 1986), South Korea vs Argentina 1–3: 20 years, 136 days
- 1986 Group stage (June 5, 1986), South Korea vs Bulgaria 1–1: 20 years, 139 days
- 1986 Group stage (June 10, 1986), South Korea vs Italy 2–3: 20 years, 144 days
- 1990 Group stage (June 12, 1990), South Korea vs Belgium 0–2: 24 years, 146 days
- 1990 Group stage (June 17, 1990), South Korea vs Spain 1–3: 24 years, 151 days
- 1990 Group stage (June 21, 1990), South Korea vs Uruguay 0–1: 24 years, 155 days
- 1994 Group stage (June 17, 1994), South Korea vs Spain 2–2: 28 years, 151 days
- 1994 Group stage (June 23, 1994), South Korea vs Bolivia 0–0: 28 years, 157 days
- 1994 Group stage (June 27, 1994), South Korea vs Germany 2–3: 28 years, 161 days
Age in each season
- 1986 (South Korea): 20 years, 134 days to 20 years, 163 days
- 1990 (South Korea): 24 years, 142 days to 24 years, 172 days
- 1994 (South Korea): 28 years, 151 days to 28 years, 181 days