Chen Long and Taufik pose the biggest challenge to Chong Wei

INDONESIA’S Taufik Hidayat and Chen Long of China are the old and new stars of world’s badminton but they have one thing in common – they have never tasted success in the All-England championships.

And the duo are seen as threats to world No. 1 and two-time All-England winner Lee Chong Wei in the men’s singles event when the world’s oldest badminton tournament starts at the National Indoor Arena here tomorrow.