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.
Hana Mandlíková is a former professional tennis player from Czechoslovakia who later obtained Australian citizenship. During her career, she won four Grand Slam singles titles - the 1980 Australian Open, 1981 French Open, 1985 US Open and 1987 Australian Open. She was also runner-up in four Grand Slam singles events - twice at Wimbledon and twice at the US Open. She won one Grand Slam women's doubles title at the 1989 US Open with Martina Navratilova. Inducted into the International Tennis Hall of Fame in 1994, Mandlíková was one of the brightest stars of her generation and is considered one of the greatest female players of the Open Era.
The 1989 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 109th edition of the US Open and was held from August 28 to September 10, 1989.
The 1994 Toray Pan Pacific Open was a tennis tournament played on indoor carpet courts at the Tokyo Metropolitan Gymnasium in Tokyo in Japan that was part of Tier I of the 1994 WTA Tour. It was the 19th edition of the tournament and was held from January 31 through February 6, 1994. First-seeded Steffi Graf won the singles title.
The 1988 Virginia Slims of California was a women's tennis tournament played on indoor hard courts at the Oakland-Alameda County Coliseum Arena in Oakland, California in the United States and was part of the Category 4 tier of the 1988 WTA Tour. It was the 17th edition of the tournament and was held from February 15 through February 21, 1988. First-seeded Martina Navratilova won the singles title.
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 Lufthansa Cup, also known as the German Open Championships, was a women's tennis tournament played on outdoor clay courts at the Rot-Weiss Tennis Club in West Berlin, West Germany that was part of the Category 5 tier of the 1989 WTA Tour. It was the 20th edition of the tournament and was held from 15 May until 21 May 1989. First-seeded Steffi Graf won the singles title.
The 1989 United Jersey Bank Classic was a women's tennis tournament played on outdoor hard courts in Mahwah, New Jersey in the United States that was part of the Category 3 tier of the 1989 WTA Tour. It was the 12th and last edition of the tournament and was held from August 14 through August 20, 1989. First-seeded Steffi Graf won her second consecutive singles title and third in total and earned $40,000 first-prize money.
The 1989 Virginia Slims Championships was the nineteenth WTA Tour Championships, the annual tennis tournament for the best female tennis players in singles on the 1989 WTA Tour. It was the 19th edition of the tournament and was held from November 13 through November 19, 1989 on indoor carpet courts in Madison Square Garden in New York City, United States. First-seeded Steffi Graf won the singles title, her second at the event after 1987, and earned $125,000 first-prize money.
The Virginia Slims Championships was held twice in 1986 because of a change of schedule from March to November.
The 1987 Women's International Tennis Association (WITA) Championships, also known as the Bausch & Lomb / WITA 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 1987 WTA Tour. It was the eighth edition of the tournament and was held from April 13 through April 19, 1987. First-seeded Steffi Graf won the singles title and earned $40,000 first-prize money.
The 1986 Sunkist Women's International Tennis Association (WITA) 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 1986 WTA Tour. It was the seventh edition of the tournament and was held from April 14 through April 20, 1986. First-seeded Steffi Graf won the singles title and earned $40,000 first-prize money. The WTA had to pay the tournament organizers a $15,000 fine because both Chris Evert-Lloyd and Martina Navratilova chose not to participate in the event.
The 1987 European Indoor Championships was a women's tennis tournament played on indoor carpet courts at the Saalsporthalle Allmend in Zürich in Switzerland and was part of the Category 3 tier of the 1987 WTA Tour. It was the fourth edition of the tournament and was held from 26 October until 1 November 1987. First-seeded Steffi Graf won her second successive singles title and earned $30,000 first-prize money and 210 Virginia Slims points.
The 1986 WTA German Open was a women's tennis tournament played on outdoor clay courts at the Rot-Weiss Tennis Club in West Berlin, West Germany that was part of the 1986 Virginia Slims World Championship Series. It was the 17th edition of the tournament and was held from 12 May through 18 May 1986. Second-seeded Steffi Graf won the singles title and earned $29,000 first-prize money. The tournament marked the first time that Graf defeated Martina Navratilova.
The 1989 Midland Group Championships was a women's tennis tournament played on indoor carpet courts at the Brighton Centre in Brighton, England that was part of the 1989 WTA Tour. It was the 12th edition of the Brighton International and was held from 23 October until 29 October 1989. First-seeded Steffi Graf won the singles title, her third at the event after 1986 and 1988. She earned $50,000 first-prize money as well as 300 Virginia Slims ranking points.
The 1990 Lufthansa Cup German Open was a women's tennis tournament played on outdoor clay courts at the Rot-Weiss Tennis Club in West Berlin, West Germany that was part of the Tier I category of the 1990 WTA Tour. It was the 21st edition of the tournament and was held from 14 May until 20 May 1990. Second-seeded Monica Seles won the singles title, snapping world no.1 Steffi Graf's 66-match winning streak in the final.
The 1992 BMW European Indoors was a women's tennis tournament played on indoor carpet courts at the Saalsporthalle Allmend in Zürich in Switzerland and was part of Tier II of the 1992 WTA Tour. It was the ninth edition of the tournament and was held from 5 October through 11 October 1992. First-seeded Steffi Graf won the singles title, her sixth at the event, and earned $70,000 first-prize money.
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.
The 1990 Volkswagen Damen Grand Prix was a women's tennis tournament played on indoor carpet courts in Leipzig in East Germany that was part of the Tier III category of the 1990 WTA Tour. It was the inaugural edition of the tournament and was held from 24 September until 30 September 1990. First-seeded Steffi Graf won the singles title and earned $45,000 first-prize money as well as 240 ranking points.
The 1990 Citizen Cup was a women's tennis tournament played on outdoor clay courts at the Am Rothenbaum in Hamburg in West Germany that was part of the Tier II category of the 1990 WTA Tour. It was the 13th edition of the tournament and was held from 30 April until 6 May 1990. First-seeded Steffi Graf won the singles title, her fourth consecutive at the event.
Steffi Graf 
Hana Mandlíková 
Martina Navratilova 