 Feng made her international "début" for Singapore in June 2007 as an under-21 player at the International Table Tennis Federation (ITTF) Pro Tour Volkswagen Korean Open.As a singles player, Feng was ranked 73rd in the world in August 2007.Nonetheless, that month she achieved a silver medal in the singles at the ITTF Pro Tour Chinese Taipei Open, her compatriot Li Jiawei beating her to take the gold.