South Korea's Jang Hye-ji launched Pyeongchang Winter Olympics on Thursday

The first mixed doubles curling event in the Olympic Games began a day early to open the competition.The Winter Olympics will conclude with the February 25 closing ceremonies.

Jang took the opportunity to make Olympic history in her opening round-robin match match alongside Lee Ki-Jeong against



Finland's Oona Kauste and Tomi Rantamaeki, before about 2,500 spectators at Gangneung Curling Centre.

After seven round-robin matches through Sunday, the top four teams will reach Monday's semi-finals with medal matches set for Tuesday.