Taiwan’s Wang stuns world No. 1IF AT FIRST: Wang Tzu-wei was grateful to have finally defeated Denmark’s Viktor Axelsen after losing to him all six times the two had previously played each otherStaff writer, with CNATaiwan’s Wang Tzu-wei on Thursday upset world No. Taiwan’s Wang Tzu-wei returns to fellow countryman Lin Chun-yi in their Taipei Open men’s singles match at the Tianmu Arena on June 23 last year. The Thai won last year’s BWF World Championships in Copenhagen and has won all five of his career matches against Wang. Aside from Wang, Taiwanese ace Tai Tzu-ying and the men’s doubles duo Lee Jhe-huei and Yang Po-hsuan also advanced to the quarter-finals.