Stefanie Maria Graf is a German former professional tennis player. She won 22 major singles titles, the second-most in women's singles won since the start of the Open Era in 1968 and the third-most of all-time. In 1988, Graf became the first tennis player to achieve the Golden Slam by winning all four major singles titles and the Olympic gold medal in the same calendar year. She is the only tennis player, male or female, to have won each major singles tournament at least four times.
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.
The 1990 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in the United States. It was the 110th edition of the US Open and was held from August 27 to September 9, 1990.
The 1984 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in New York in the United States. It was the 104th edition of the US Open and was held from August 28 to September 9, 1984.
Defending champion Monica Seles defeated Arantxa Sánchez Vicario in the final, 6–3, 6–3 to win the women's singles tennis title at the 1992 US Open. She did not lose a set during the tournament. By reaching the final, Seles became the sixth woman, after Maureen Connolly, Margaret Court, Chris Evert, Martina Navratilova, and Steffi Graf to reach all four major finals in a calendar year.
The 1994 Italian Open was a tennis tournament played on outdoor clay courts. It was the 51st edition of the Italian Open, and was part of the ATP Super 9 of the 1994 ATP Tour, and of the Tier I Series of the 1994 WTA Tour. Both the men's and the women's events took place at the Foro Italico in Rome, Italy. The women's tournament was played from May 2 through May 8, 1994, and the men's tournament was played from May 9 through May 16, 1994.
The 1988 Virginia Slims of Washington was a women's tennis tournament played on indoor carpet courts at the Patriot Center in Fairfax, Virginia in the United States and was part of the Category 5 tier of the 1988 WTA Tour. It was the 17th edition of the tournament and was held from February 22 through February 28, 1988. First-seeded Martina Navratilova won the singles title.
The 1988 Family Circle Cup was a women's tennis tournament played on outdoor clay courts at the Sea Pines Plantation on Hilton Head Island, South Carolina in the United States and was part of the Category 5 tier of the 1988 WTA Tour. It was the 16th edition of the tournament and ran from April 4 through April 10, 1988. First-seeded Martina Navratilova won the singles title.
The 1988 Bausch & Lomb Championships was a women's tennis tournament played on outdoor clay courts at the Amelia Island Plantation on Amelia Island, Florida in the United States and was part of the Category 5 tier of the 1988 WTA Tour. The tournament ran from April 11 through April 17, 1988. second-seeded Martina Navratilova won the singles title.
Steffi Graf defeated the defending champion Martina Navratilova in the final, 6–2, 6–4 to win the singles tennis title at the 1994 Pan Pacific Open.
The 1989 Bausch & Lomb Championships was a women's tennis tournament played on outdoor clay courts at the Amelia Island Plantation on Amelia Island, Florida in the United States that was part of the Category 5 tier of the 1989 WTA Tour. The tournament was held from April 10 through April 16, 1989. Third-seeded Gabriela Sabatini won the singles title.
The 1989 Virginia Slims of Los Angeles was a women's tennis tournament played on outdoor hard courts at the Manhattan Country Club in Manhattan Beach, California in the United States that was part of the Category 5 tier of the 1989 WTA Tour. It was the 16th edition of the tournament and was held from August 7 through August 13, 1989. First-seeded Martina Navratilova won the singles title, her sixth at the event.
The 1988 Virginia Slims of New England was a women's tennis tournament played on indoor carpet courts in Worcester, Massachusetts in the United States and was part of the Category 5 tier of the 1988 WTA Tour. It was the fourth edition of the tournament and was held from October 31 through November 6, 1988. First-seeded Martina Navratilova won the singles title and earned $60,000 first-prize money.
The 1988 Virginia Slims Championships was a women's tennis tournament played on indoor carpet courts at Madison Square Garden in New York City, New York in the United States. It was the 17th edition of the year-end singles championships, the 13th edition of the year-end doubles championships, and was part of the 1988 WTA Tour. The tournament ran from November 14 through November 20, 1988.
The 1987 Pan Pacific Open was a women's tennis tournament played on indoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo in Japan and was part of the Category 4 tier of the 1987 WTA Tour. It was the 12th edition of the tournament and ran from 14 September through 20 September 1987. First-seeded Gabriela Sabatini won the singles title and earned $50,000 first-prize money.
The 1986 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor hard courts in Filderstadt, West Germany that was part of the 1986 WTA Tour. It was the ninth edition of the tournament and was held from 13 October through 19 October 1986. First-seeded Martina Navratilova won the singles title.
The 1992 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor hard courts at the Filderstadt Tennis Centre in Filderstadt, Germany and was part of the Tier II of the 1992 WTA Tour. It was the 15th edition of the tournament and was held from 12 October to 18 October 1992. On her 36th birthday third-seeded Martina Navratilova won the singles title, her sixth at the event, and earned $70,000 first-prize money.
The 1991 Toray Pan Pacific Open was a women's tennis tournament played on indoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo, Japan that was part of the Tier II Series of the 1991 WTA Tour. It was the eighth edition of the Pan Pacific Open and took place from 29 January through 3 February 1991. Fifth-seeded Gabriela Sabatini won the singles title and earned $70,000 first-prize money as well as 300 ranking points.
The 1986 Virginia Slims of Chicago was a women's tennis tournament played on indoor carpet courts at the UIC Pavilion in Chicago, Illinois in the United States and was part of the 1986 WTA Tour. It was the 15th edition of the tournament and was held from November 10 through November 16, 1986. First-seeded Martina Navratilova won the singles title, her seventh in total at the event, and earned $33,000 first-prize money.
Martina Navratilova defeated Larisa Neiland in the final, 6–2, 6–2 to win the singles tennis title at the 1993 Pan Pacific Open.
Gabriela Sabatini 
Arantxa Sánchez Vicario 
Helena Suková 