Lin Dan overcame Chou Tien Chen with a comfortable victory in the Men's singles quarter-final of the 2017 Badminton Asia Championships in Wuhan.
Lin made it into the quarter-finals with a 21-17, 21-15 straight sets victory over unseeded Kanta Tsuneyama from Japan, while Chou took his time to dispatch of Ihsan Maulana Mustofa eventually winning 21-16, 17-21, 21-13.
And Lin wasn't in the mood to drag his quarter-final out either, demolishing Chou 21-14, 21-12 in their sixth head-to-head of their careers.
Fourth seed Lin will now take on arch-rival Lee Chong Wei in the semi-final after the Malaysian made light work of China's Hsu Jen Hao, beating him 21-18, 21-13.
The other semi-final will be contested by China's Chen Long and his compatriot Shi Yuqi following their respective quarter-final victories.
Chen downed eighth seed Ng Ka Long Angus of Hong Kong 21-17, 21-13, while Shi took out number 3 seed Son Wan Ho from Korea 21-16, 21-15.
In the women’s draw, World No 1 Tai Tzu Ying marched on to the semi-finals with a 21-11, 21-7 demolition of Chen Yufei.
The Taipei shuttler moves on to face South Korean qualifier Jang Mi Lee, who was a surprise 21-19, 21-9 winner over Nitchaon Jindapol.
The second semi-final sees second seed Akane Yamaguchi of Japan take on China’s He Bingjiao.