Tang Chun-man and Tse Ying-suet advance to World Championships mixed doubles quarter-finals as other Hong Kong shuttlers tumble out

• Hong Kong’s seventh-ranked pair beat Denmark’s Mathias Christiansen and Alexandra Boje in round 16 to seal their last-eight place
• Men’s singles player Lee Cheuk-yiu loses to world number three Anders Antonsen with two women’s doubles and mixed doubles teams eliminated