The 1999 Canadian Open was a tennis tournament played on outdoor hard courts. It was the 110th edition of the Canada Masters, and was part of the ATP Super 9 of the 1999 ATP Tour, and of the Tier I Series of the 1999 WTA Tour. The men's event took place at the du Maurier Stadium in Montreal, Quebec, Canada, from August 2 through August 8, 1999, and the women's event at the National Tennis Centre in Toronto, Ontario, Canada, from August 16 through August 23, 1999.
The 1998 Thalgo Australian Women's Hardcourts was a women's tennis tournament played on outdoor hard courts at the Hope Island Resort Tennis Centre in Hope Island, Queensland in Australia that was part of Tier III of the 1998 WTA Tour. It was the second edition of the tournament and was held from 4 January through 10 January 1998. Fourth-seeded Ai Sugiyama won the singles title and earned $27,000 first-prize money.
The 1998 Sparkassen Cup was a women's tennis tournament played on indoor carpet courts in Leipzig in Germany that was part of the Tier II category of the 1998 WTA Tour. It was the ninth edition of the tournament and was held from 2 November until 8 November 1998. Unseeded Steffi Graf won the singles title, her fifth at the event, and earned $79,000 first-prize money.
The 1998 Bank of the West Classic was a tennis tournament played on outdoor hard courts at the Taube Tennis Center in Stanford, California in the United States that was part of Tier II of the 1998 WTA Tour. It was the 27th edition of the tournament and was held from July 27 through August 2, 1998. First-seeded Lindsay Davenport won the singles title.
Larisa Neiland and Helena Suková were the defending champions but only Neiland competed that year with Elena Tatarkova.
The 1998 Advanta Championships of Philadelphia was a tennis tournament played on indoor carpet courts at the Philadelphia Civic Center in Philadelphia, Pennsylvania in the United States that was part of Tier II of the 1998 WTA Tour. The tournament was held from November 9 through November 15, 1998. Steffi Graf won the singles title and earned $79,000 first-prize money.
The 1999 Thalgo Australian Women's Hardcourts – Doubles was the doubles event of the third edition of the Thalgo Australian Women's Hardcourts; a WTA Tier III tournament held in the Gold Coast. Elena Likhovtseva and Ai Sugiyama were the defending champions but lost in the first round to Anke Huber and Mary Pierce.
The 1999 Lipton Championships – Women's Doubles was the women's doubles event of the fifteenth edition of the tennis tournament played at Miami, United States. It is the third WTA Tier I tournament of the year, and part of the US Spring tennis season. Martina Hingis and Jana Novotná were the defending champions and won in the final 0–6, 6–4, 7–6(7–1) against Mary Joe Fernández and Monica Seles.
The 2002 Kroger St. Jude International was a tennis tournament played on indoor hard courts at the Racquet Club of Memphis in Memphis, Tennessee in the United States that was part of the International Series Gold of the 2002 ATP Tour and of Tier III of the 2002 WTA Tour. The tournament ran from February 17 through February 24, 2002.
Max Mirnyi and Serena Williams were the defending champions but Williams did not compete due to injury. Mirnyi competed with Mary Pierce but lost in the second round to Martin Damm and Barbara Rittner.
The 1999 Kremlin Cup – Women's Doubles was the women's doubles event of the fourth WTA edition of the Kremlin Cup; a WTA Tier I tournament and the most prestigious tournament held in Russia. Mary Pierce and Natasha Zvereva were the defending champions, but Pierce competed this year with Barbara Schett, whereas Zvereva competed with Elena Tatarkova.
Martina Hingis and Jana Novotná were the defending champions but decided not to compete together. Hingis partnered with Anna Kournikova but withdrew before the start of the tournament. Novotná competed with Natasha Zvereva but lost in the semifinals to Mariaan de Swardt and Elena Tatarkova.
The 1999 Australian Open – Women's Doubles was the women's doubles event of the eighty-seventh edition of the Australian Open, the first Grand Slam of the year and the most prestigious tournament in the Asia-Pacific and the Southern Hemisphere. Martina Hingis and Mirjana Lučić were the defending champions, but Hingis competed with Russian Anna Kournikova, and Lučić competed with Frenchwoman Mary Pierce. Lučić and Pierce were defeated in the first round by Christina Singer and Helena Vildová.
Hingis and Kournikova, however, ended up winning the title, defeating first seeds Lindsay Davenport and Natasha Zvereva, 7–5, 6–3. With this win, Hingis won her fifth consecutive Grand Slam title in doubles, and became the only woman to have won three consecutive Australian Open titles in singles and doubles simultaneously. Hingis and her partners defeated Davenport/Zvereva for all five consecutive women's doubles titles starting with the 1998 Australian and ending with the 1999 Australian Open.
Martina Hingis and Jana Novotná were the defending champions, but they did not compete together this year. Novotná partnered Natasha Zvereva as the first seed, but they retired in their quarterfinal match against Lindsay Davenport and Mary Pierce.
The 1999 US Open – Women's Doubles was the women's doubles event of the hundred-and-ninth edition of the US Open, the fourth and last Grand Slam of the year, and the most prestigious tournament in the Americas. Martina Hingis and Jana Novotná were the defending champions, but Hingis did not compete this year and Novotná teamed up with Natasha Zvereva. Novotná and Zvereva were eliminated in the third round by Liezel Horn and Kimberly Po.
The 1999 WTA German Open – Singles was the singles event of the fifty-fifth edition of the tennis tournament played at Berlin, Germany, the most prestigious tennis tournament in Latin Europe. It was the sixth WTA Tier I tournament of the year, and part of the European claycourt season. Lindsay Davenport and Natasha Zvereva were the defending champions, but only Zvereva participated this year with Mary Pierce. They were eliminated in the first round by Brie Rippner and Tara Snyder.
The 1999 du Maurier Open – Doubles was the doubles event of the one hundred and tenth edition of the Canadian Open; a WTA Tier I tournament and the most prestigious women's tennis tournament held in Canada.
The 1999 Sparkassen Cup (tennis) was a women's tennis tournament played on indoor hard courts in Leipzig, Germany. It was part of the Tier II category of the 1999 WTA Tour. The tournament was held from 1 November 1 until 7 November 1999. Second-seeded Nathalie Tauziat won the singles title and earned $80,000 first-prize money.
The 1999 Sparkassen Cup – Doubles was the tennis doubles event of the tenth edition of the Sparkassen Cup; a WTA Tier II tournament held in Leipzig, Germany. Elena Likhovtseva and Ai Sugiyama were the defending champions but were defeated in this year's final by Larisa Neiland and Mary Pierce, 6–1, 6–3.
Martina Hingis and Anna Kournikova were the defending champions, but competed this year with different partners. Hingis partnered with Mary Pierce and finished the tournament as runners-up, while Kournikova teamed up with Barbara Schett and lost in semifinals to Lisa Raymond and Rennae Stubbs.
Mary Pierce 
Elena Likhovtseva / 
Ai Sugiyama 
