Gao Ling
Tsai Chia-hsin (; born 25 July 1982) is a Taiwanese former badminton player. He competed at the 2006 and 2014 Asian Games. Tsai also competed (for the Republic of China as Chinese Taipei) in the 2004 Summer Olympics in mixed doubles with partner Cheng Wen-hsing and in 2016 Summer Olympics in men's doubles with partner Lee Sheng-mu. In 2004, they defeated Chris Dednam and Antoinette Uys of South Africa in the first round but lost to Zhang Jun and Gao Ling of China in the round of 16.