Kyungsung FC–Pyongyang FC rivalry

The Kyungsung FC–Pyongyang FC rivalry, commonly known as the Kyung-Pyong Football Series, was a football rivalry in the early 20th century between Seoul (called Gyeongseong/Kyungsung or Keijō at the time) and Pyongyang (Heijō) which are currently capital of South Korea and North Korea. The clash between Korea's two biggest cities was considered as the biggest rivalry in Korea.