Intro:

Semi-final action from the BWF Super Series Korea Open, as the favourites progress to the finals from the last four in both singles and doubles.

Script:

The business end of the BWF Super Series Korea Open, semi finals day. World number one Lee Chong Wei had a tough battle against Kenichi Tago in the men's singles.

It wasn't easy, but the defending champion is through to his sixth successive final at the event, winning both games by 21-17. He'll face Chen Long after he beat Boonsak Ponsna comfortably,

Thai teenage sensation Ratchanok Intanon is also through to a final after she beat defending champion Sung Ji-hyun.

Intanon won in 3 games with this disguised drop shot the point of the match.

She will face Wang Yihan in the women's final.

In mixed doubles, London's Olympic champions Zhang Nan and Zhao Yunlei will defend their Korean Open title on Sunday. They beat Hong Kong's Chan Yun-lung and Tse Ying-suet 21-16, 21-12.

In men's doubles, Denmark's top-seeds Mathias Boe and Carsten Mogensen were taken all the way by fourth seeds Hiroyuki Endo and Kenichi Hayakawa, but they edged the match to win both games 22--20.