Men's singles shuttler Lee Zii Jia has set up a showdown against Thailand's world champion Kunlavut Vitidsarn in the semi-finals of the Paris Olympics after sending Denmark's world No. 3 Anders Antonsen packing.br br The world No. 7 Zii Jia secured a commanding 21-17, 21-15 win over Antonsen in the last eight at Adidas Arena in Port de la Chapelle on Friday (Aug 2).