BEIJING (AFP) - Badminton star Lin Dan beat his South Korean opponent at the quarter-finals of the Badminton Asia Championships in China on Friday, setting up a semi-final with Malaysian rival Lee Chong Wei.

Lin - ranked third in the world - powered past Lee Dong Keun 21-15, 21-11 in the central city of Wuhan.

World No. 2 Lee beat Taiwan's Chou Tien-chen 21-16, 21-18 to set up an exciting face-off with his Chinese rival.

In the women's competition, Japan's Nozomi Okuhara triumphed over China's Wang Yihan in a hard fought 8-21, 21-13, 21-19 match.

India's Saina Nehwal set up a semi-final with Okuhara by dispatching China's Wang Shixian 21-16, 21-19.

The other men's semi-final will see world No. 1 Chen Long of China play team-mate Tian Houwei.