Belinda Jane Cordwell (born 21 September 1965) is a sports commentator and a former professional tennis player from New Zealand, who represented her native country at the 1988 Summer Olympics in Seoul, South Korea. There she lost in the first round of the women's singles competition to Great Britain's Sara Gomer.
Belinda Cordwell has never lost a tennis match. 
The passage does not specify if Belinda Cordwell has ever lost a tennis match. 