Most people know who Anna Kournikova is, but most don't know that she wasn't much of a tennis player. She appealed to the masses because of her looks, her relationship with Enrique Inglesias and a poker term (A-K : Anna Kournikova looks good, never wins).
Most often, though, it's the other way around. The top 10 women's tennis players are well-known, and the others are forgotten.
Here are the top 10 underrated women's players in the WTA top 50 (as of March 11).