Gabriela Beatriz Sabatini is an Argentine former professional tennis player. A former world No. 3 in both singles and doubles, Sabatini was one of the leading players from the mid-1980s to the mid-1990s, amassing 41 titles. In singles, Sabatini won the 1990 US Open, the Tour Finals in 1988 and 1994, and was runner-up at Wimbledon 1991, the 1988 US Open, and the silver medalist at the 1988 Olympics. In doubles, Sabatini won Wimbledon in 1988 partnering Steffi Graf, and reached three French Open finals. Among Open era players who did not reach the world No. 1 ranking, Sabatini has the most wins over reigning world No. 1 ranked players. In 2006, she was inducted into the International Tennis Hall of Fame and in 2018 Tennis Magazine ranked her as the 20th-greatest female player of the preceding 50 years.

Martina Navratilova is a Czech-American former professional tennis player. Widely considered among the greatest tennis players of all time, Navratilova won 18 major singles titles, 31 major women's doubles titles, and 10 major mixed doubles titles, for a combined total of 59 major titles, the most in the Open Era. Alongside Chris Evert, her greatest rival, Navratilova dominated women's tennis for much of the 1970s and 1980s.