Players
Seeds
-
Lilia Osterloh / 
Barbara Schwartz (qualifying competition) -
Cristina Torrens Valero / 
Marlene Weingärtner (first round)
| Women's doubles qualifying | |
|---|---|
| 1999 du Maurier Open |
The 1999 Canadian Open was a WTA tennis tournament, played on outdoor hard courts.
Lilia Osterloh / 
Barbara Schwartz (qualifying competition)
Cristina Torrens Valero / 
Marlene Weingärtner (first round)| First round | Qualifying competition | ||||||||
| 1 | Lilia Osterloh Barbara Schwartz | 8 | |||||||
 Maureen Drake Sylvia Plischke | 2 | ||||||||
| 1 | Lilia Osterloh Barbara Schwartz | 8 | |||||||
| Gala León García María Sánchez Lorenzo | 9 | ||||||||
| WC | Jana Nejedly Aneta Soukup | 1 | |||||||
| Gala León García María Sánchez Lorenzo | 8 | ||||||||
| First round | Qualifying competition | ||||||||
 Amélie Cocheteux Sarah Pitkowski | 6 | ||||||||
 Magdalena Grzybowska Marie-Ève Pelletier | 8 | ||||||||
| Magdalena Grzybowska Marie-Ève Pelletier | 8 | ||||||||
 Anne Kremer  Joannette Kruger | 4 | ||||||||
| Anne Kremer Joannette Kruger | 8 | ||||||||
| 2 | Cristina Torrens Valero Marlene Weingärtner | 3 | |||||||
Martina Hingis defeated Amanda Coetzer in the final, 6–2, 6–1 to win the singles tennis title at the 1999 Pan Pacific Open.
The 1999 Toray Pan Pacific Open doubles was the doubles event of the twenty-fourth edition of the Toray Pan Pacific Open Tennis Tournament, the first WTA Tier I tournament of the year. Martina Hingis and Mirjana Lučić were the defending champions but only Hingis competed that year with Jana Novotná.
Serena Williams defeated Steffi Graf in the final, 6–3, 3–6, 7–5 to win the women's singles tennis title at the 1999 Indian Wells Open. It was the second and last time that the two would contest a professional match.
The 1999 Estoril Open women's singles was the singles event of the first edition of the WTA Tour Estoril Open; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Portugal. This tournament was part of the ITF Circuit last year, and it was won by Barbara Schwartz. Schwartz was eliminated in the second round of this year's event.
The 1999 Estoril Open women's doubles was the doubles event of the first edition of the WTA Tour Estoril Open; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Portugal. This tournament was part of the ITF Tour last year, and it was won by Caroline Dhenin and Émilie Loit. They did not compete in the event this year.
The 1999 Japan Open Tennis Championships women's singles was the women's singles event of the twenty-fifth edition of the Japan Open; a WTA Tier III tournament held in Tokyo, Japan. Ai Sugiyama was the defending champion but lost in the final 6–2, 6–2 against Amy Frazier.
The 1999 Westel 900 Budapest Open singles was the singles event of the second edition of the Budapest Grand Prix; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Hungary. Virginia Ruano Pascual was the defending champion but lost in the first round to Amanda Hopmans.
Martina Hingis defeated Julie Halard-Decugis in the final, 6–0, 6–1 to win the singles tennis title at the 1999 WTA German Open.
The 1999 Croatian Bol Ladies Open singles was the singles event of the sixth edition of the Croatian Bol Ladies Open, a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Croatia. Mirjana Lučić was the two-time defending champion, but she did not compete this year.
The 1999 Warsaw Cup by Heros doubles was the doubles event of the fifth edition of the Warsaw Open; a WTA Tier IV tournament held in Warsaw, Poland. Olga Lugina and Karina Habšudová were the champions last year when it was a Tier III event. Habšudová did not compete this year, while Lugina teamed up with Sandra Načuk. She was defeated in the quarterfinals.
The 1999 WTA Madrid Open doubles was the doubles event of the fourth edition of the Internationaux de Strasbourg, a WTA Tier III tournament held in Madrid, Spain and part of the European clay court season. Florencia Labat and Dominique Van Roost were the defending champions, but they did not compete this year.
The 1999 Tashkent Open singles was the singles event of the first edition of the Tashkent Open; a WTA Tier IVb tournament and the most prestigious women's tennis tournament held in Central Asia.
The 1999 Tashkent Open doubles was the doubles event of the first edition of the Tashkent Open; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Central Asia.
The 1999 Bank of the West Classic singles was the singles event of the twenty-eighth edition of the first tournament in the US Open Series.
The 1999 Pilot Pen Tennis singles was the singles event of the seventeenth edition of the final tournament in the US Open Series. Steffi Graf was the defending champion, but had retired after the TIG Classic.
The 1999 Porsche Tennis Grand Prix doubles was the tennis doubles event at the 1999 Porsche Tennis Grand Prix, the twenty-second edition of the most prestigious tournament in Baden-Württemberg. Lindsay Davenport and Natasha Zvereva were the defending champions, but they did not compete this year. Davenport competed with Martina Hingis as the first seed, while Zvereva competed with Elena Tatarkova. Davenport and Hingis withdrew in the quarterfinals due to Davenport having a wrist injury, whilst Tatarkova and Zvereva were knocked out in the first round.
The 1999 Brasil Open singles was the tennis singles event of the first edition of the most prestigious tournament in Brazil. South American Fabiola Zuluaga won the title, defeating Patricia Wartusch in the final.
The 1999 Brasil Open doubles was the tennis doubles event of the first edition of the most prestigious tournament in Brazil. Argentinian team Laura Montalvo and Paola Suárez won the title, in what was the team's second title of the year, defeating Janette Husárová and Florencia Labat in the final.
The 1999 Eurotel Slovak Open singles was the tennis singles event of the first edition of the most prestigious tournament in Slovakia. In a final of two future World No. 1s, Amélie Mauresmo defeated Kim Clijsters in straight sets, 6–3, 6–3.
The 1999 Eurotel Slovak Open doubles was the tennis doubles event of the first edition of the most prestigious tournament in Slovakia. Belgian team Kim Clijsters and Laurence Courtois won the title, defeating Olga Barabanschikova and Lilia Osterloh in the final.