Career
Ji started her career in Japan, playing for L. League champions INAC Kobe Leonessa between 2011 and 2013. In November 2013, Ji was subject to a transfer bid from English club Chelsea. She agreed to a two-year contract in January 2014.
When the transfer was officially confirmed later that month, Chelsea coach Emma Hayes said of Ji: "She is one of the best midfielders in the world and our fans will love her." In one of her final matches for the Japanese club, Ji scored against her soon to be new club, Chelsea in the International Women"s Club Championship final.
Ji has represented South of Korea at Under 17 level and was part of the Under 20 team that finished runners up at the 2009 AFC U-19 Women"s Championship and third at the 2010 Fédération internationale de football association U-20 Women"s World Cup. In October 2006, Ji made her senior team debut while playing at the 2006 Peace Queen Cup.
On 30 November 2006, she became the youngest goalscorer (7008497728800000000♠15 years, 282 days) for the South Korean senior team, after scoring two goals against Chinese Taipei in the 2006 Asian Games. Ji is the all-time top goal scorer of the South Korean women"s national football team
Club L. International Individual Scores and results list South of Korea"s goal tally first.