The 1970s tennis champ crossword solutions are Arthur Ashe and Chris Evert. Arthur Ashe was an American professional tennis player who won three Grand Slam titles. He was the first African American to win the men's singles at the US Open and Wimbledon. Chris Evert was an American professional tennis player who won 18 Grand Slam singles championships. She was the world No. 1 women's tennis player for seven consecutive years from 1974 to 1980.