About Wang Yihan
Wang Yihan is a retired Chinese professional badminton player and former women's singles world champion and Olympic silver medalist. Wang started her career with her coach Wang Pengren at only nine years of age. She was selected for the junior team in 2004, and after being promoted to the senior team in 2006, she began to shine in major tournaments. By October 2009 she was the top ranked Women's singles player in the world. In 2005, she won the silver medal in Asian Junior Championships where she lost to her teammate Wang Lin in the final. Yihan then won her first super-series title, the Japan Open by beating leading player from Hongkong, Zhou Mi, with 21–19, 17–21, 21–15 scores. In 2006, she won both Asian Junior Championships & World Junior Championships with her win against Malaysian Lyddia Cheah & Indian Saina Nehwal respectively. She also won the Bitburger Open & Russian Open Grand Prix Gold that year.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.