Indonesian third seeds Tontowi Ahmad and Liliyana Natsir lifted the mixed doubles title at the World Badminton Championships here Sunday
The Indonesians upset Chinese top seeds Chen Xu and Jin Ma 21-13, 16-21, 22-20 in one hour and 14 minutes at the Tianhe Indoor Stadium. The World No.2 Ahmad and Natsir are now 4-6 against the World No.1 Chinese opponents who took silver.