MILAN — South Korea won a medal in snowboard for the second straight day at the Milan-Cortina Winter Olympics on Monday, with the 18-year-old Yu Seung-eun claiming the bronze medal in the women’s big air event. By scoring 171.00 points — the sum of her two best scores after three attempts at Livigno Snow Park in Livigno, north of Milan — Yu became the first South Korean woman to win an Olympic medal in snowboard. This was the second snowboard medal for South Korea and its second medal, period, following the surprise silver medal by Kim Sang-kyum in the men’s parallel giant slalom Sunday. Before this year, South Korea had won just one medal in snowboard, a silver by Lee Sang-ho in the men’s parallel giant slalom at the 2018 PyeongChang Winter Games. Speed skater Lee Na-hyun finished ninth in the women’s 1,000 meters at Milano Speed Skating Stadium in Milan on Monday with a time of 1:15.76. She is the first South Korean to end up inside the top 10 in this event. Lee’s teammate Kim Min-sun ranked 18th at 1:16.24. Also on Monday, South Korea dropped its final match of the mixed doubles c

