The Women's Singles competition was part of the tennis program at the 1988 Summer Olympics. Steffi Graf of West Germany defeated Gabriela Sabatini of Argentina in the gold medal match. By winning the gold medal, Steffi Graf finished off her "Calendar Golden Slam" having won all four Grand Slam tournaments and the Olympic gold medal in the same calendar year. Steffi had also beaten Sabatini earlier that summer in the final of the U.S. Open, thus capturing the final leg of the "Grand Slam".
Steffi Graf was the defending champion, and she successfully defended her title by defeating Natalia Zvereva in the final, 6–0, 6–0, to win the Women's Singles tennis title at the 1988 French Open. The official time of the match given on the scoresheet was 34 minutes, however just 32 minutes of playing time, split into two periods of nine and 23 minutes due to a rain break. It is the only "double bagel" Grand Slam final of the Open Era.
Steffi Graf captured the title, beating Gabriela Sabatini in the final 6–3, 3–6, 6–1 to win the Women's Singles tennis title at the 1988 U.S. Open. As a result, Steffi became the third woman to win the Grand Slam, after Maureen Connolly Brinker and Margaret Court. This was her fourth step to completing the first and so far only Golden Slam. The match was also the first major final for Sabatini, who reached two more Slam finals for her career. In the process, Graf also completed the career Grand Slam in singles. Martina Navratilova was the defending champion, but she lost in the quarterfinals to Zina Garrison.
Steffi Graf successfully defended her title, defeating Martina Navratilova 3–6, 7–5, 6–1 in the final to win the Women's Singles tennis title at the 1989 US Open.
First-seeded Steffi Graf defeated the record six-time defending champion Martina Navratilova in the final, 5–7, 6–2, 6–1 to win the Ladies' Singles tennis title at the 1988 Wimbledon Championships. This was Graf's third step towards completing the first, and so far only, Calendar Year Golden Slam.
First-seeded Steffi Graf was the two-time defending champion, and successfully defended her title, defeating Mary Joe Fernandez 6–3 6–4 in the final to win the Women's Singles tennis title at the 1990 Australian Open.
Gabriela Sabatini defeated two-time defending champion Steffi Graf in the final, 6–2, 7–6(7–4), to win the Women's Singles tennis title at the 1990 U.S. Open. This was a rematch of the 1988 US Open final and the 1989 US Open top half semifinal. Sabatini became the first Argentine female tennis player to win the major. It also proved to be the first and only time Sabatini would defeat Graf in Grand Slam competition.
The 1991 Canadian Open was a tennis tournament played on outdoor hard courts. It was the 102nd edition of the Canada Masters, and was part of the ATP Super 9 of the 1991 ATP Tour, and of the Tier I Series of the 1991 WTA Tour. The men's event took place at the Uniprix Stadium in Montreal, Quebec, Canada from July 22 through July 28, 1991, and the women's event at the National Tennis Centre in Toronto, Ontario, Canada from August 5 through August 11, 1991.
The 1988 Dow Chemical Classic was a women's tennis tournament played on grass courts at the Edgbaston Priory Club in Birmingham in the United Kingdom and was part of the Category 2 tier of the 1988 WTA Tour. It was the seventh edition of the tournament and was held from 6 June until 12 June 1988. Claudia Kohde-Kilsch won the singles title.
The 1989 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 1989 WTA Tour. The tournament ran from February 13 through February 19, 1989. First-seeded Steffi Graf won the singles title.
The 1989 Virginia Slims of California was a women's tennis tournament played on indoor carpet courts at the Oakland-Alameda County Coliseum Arena in Oakland, California in the United States and was part of Category 4 tier of the 1989 WTA Tour. The tournament ran from February 20 through February 26, 1989. Third-seeded Zina Garrison won the singles title.
The 1989 European Open was a women's tennis tournament played on outdoor clay courts at the Drizia-Miremont Tennis Club in Geneva, Switzerland that was part of the Category 2 tier of the 1989 WTA Tour. The tournament was held from 22 May until 28 May 1989. Third-seeded Manuela Maleeva won the singles title.
The 1989 Dow Classic was a women's tennis tournament played on grass courts at the Edgbaston Priory Club in Birmingham in the United Kingdom that was part of the Category 2 tier of the 1989 WTA Tour. It was the 8th edition of the tournament and was held from 12 June until 18 June 1989. First-seeded Martina Navratilova won the singles title.
The 1990 Pilkington Glass Championships was a women's tennis tournament played on grass courts at the Devonshire Park Lawn Tennis Club in Eastbourne in the United Kingdom that was part of Tier II of the 1990 WTA Tour. The tournament was held from 18 June until 24 June 1990. First-seeded Martina Navratilova won the singles title and earned $70,000 first-prize money.
Jenny Byrne and Michelle Jaggard were the defending champions but they competed with different partners that year, Byrne with Janine Tremelling and Jaggard with Katerina Maleeva.
The 1990 Dow Classic was a women's tennis tournament played on outdoor grass courts that was part of Tier IV of the 1990 WTA Tour. It was the 9th edition of the event. It took place at the Edgbaston Priory Club in Birmingham, United Kingdom, from 11 June until 17 June 1990. Zina Garrison won the singles title.
The 1985 U.S. Clay Court Championships was a men's Grand Prix and women's Championship Series tennis tournament held at the Indianapolis Tennis Center in Indianapolis in the United States and played on outdoor clay courts. It was the 17th edition of the tournament and was held from July 21 to July 29, 1985. Ivan Lendl and Andrea Temesvári won the singles titles.
The 1989 Virginia Slims of Indianapolis was a women's tennis tournament played on outdoor hard courts in Indianapolis, Indiana in the United States and was part of the Category 2 tier of the 1989 WTA Tour. It was the 10th edition of the tournament and ran from October 30 through November 5, 1989. First-seeded Katerina Maleeva won her second consecutive singles title at the event.
The 1989 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 Category 4 tier of the 1989 WTA Tour. It was the 18th edition of the tournament and was held from November 6 through November 12, 1989. Second-seeded Zina Garrison won the singles title.
The 1993 Barilla Indoors was a women's tennis tournament played on indoor carpet courts at the Saalsporthalle Allmend in Zürich in Switzerland and was part of the 1993 WTA Tour. It was the 10th edition of the tournament, which had been upgraded from Tier II to Tier I, and was held from 4 October through 10 October 1993. Third-seeded Manuela Maleeva-Fragniere won the singles title and earned $150,000 first-prize money.
Katerina Maleeva 
Larisa Savchenko 