Answer
Hsieh Su-wei has won three WTA Tour singles titles. She claimed her first title at the Guangzhou International Women's Open in 2012, followed by victories at the Shenzhen Open in 2018 and the Monterrey Open in 2021. Hsieh's success on the WTA Tour extends beyond singles, as she has also won 33 doubles titles, including three Grand Slam titles at Wimbledon and the French Open.