Daren Liew of Malaysia celebrates after the men's singles quarterfinal match against Kanta Tsuneyama of Japan at the BWF (Badminton World Federation) World Championships 2018 in Nanjing, capital of east China's Jiangsu Province, Aug. 3, 2018. Daren Liew won 2-1. (Xinhua/Li Xiang)

Daren Liew of Malaysia celebrates after the men's singles quarterfinal match against Kanta Tsuneyama of Japan at the BWF (Badminton World Federation) World Championships 2018 in Nanjing, capital of east China's Jiangsu Province, Aug. 3, 2018. Daren Liew won 2-1. (Xinhua/Li Xiang)

Daren Liew of Malaysia competes during the men's singles quarterfinal match against Kanta Tsuneyama of Japan at the BWF (Badminton World Federation) World Championships 2018 in Nanjing, capital of east China's Jiangsu Province, Aug. 3, 2018. Daren Liew won 2-1. (Xinhua/Li Xiang)