Martina Hingis and Mary Pierce were the defending champions but did not compete that year.
Serena and Venus Williams defeated Julie Halard-Decugis and Ai Sugiyama in the final, 6-3, 6-2 to win the ladies' doubles tennis title at the 2000 Wimbledon Championships. They became the first pair of sisters to win the title. It was their third major title in doubles, and the third component in an eventual career Golden Slam in doubles. The Williams sisters had only played three events thus far into the season, and only entered the draw via a wildcard.
Serena Williams and Venus Williams were the defending champions, but Serena withdrew from the tournament and Venus chose not to participate with another player.
Martina Hingis and Anna Kournikova defeated Daniela Hantuchová and Arantxa Sánchez Vicario 6–2, 6–7(4–7), 6–1 in the final to win the title.
The 1999 Evert Cup doubles was the doubles event of the eleventh edition of the tennis tournament played at Indian Wells, California, United States. It was the second WTA Tier I tournament of the year, and part of the US Spring tennis season. Lindsay Davenport and Natasha Zvereva were the defending champions but lost in the quarterfinals to Serena Williams and Venus Williams.
The 1999 Bausch & Lomb Championships doubles was the doubles event of the twentieth edition of the Bausch & Lomb Championships; a WTA Tier II tournament held in Amelia Island, Florida, United States, played on green clay. Sandra Cacic and Mary Pierce were the defending champions but lost in the quarterfinals to Lisa Raymond and Rennae Stubbs.
Lindsay Davenport and Corina Morariu defeated Mariaan de Swardt and Elena Tatarkova in the final, 6–4, 6–4 to win the ladies' doubles tennis title at the 1999 Wimbledon Championships.
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.
Serena and Venus Williams defeated Martina Hingis and Anna Kournikova in the final, 6–3, 6–7(2–7), 8–6 to win the women's doubles tennis title at the 1999 French Open. It was the first major title for the Williams sisters, and would be their first step towards completing the career Golden Slam in doubles.
Serena and Venus Williams defeated Chanda Rubin and Sandrine Testud in the final, 4–6, 6–1, 6–4 to win the women's doubles tennis title at the 1999 US Open. It was the second doubles major title for the Williams sisters, and their second step towards completing the career Golden Slam in doubles.
Defending champion Jana Novotná and her partner Martina Hingis defeated the other defending champion Lindsay Davenport and her partner Natasha Zvereva in the final, 6–3, 6–3 to win the women's doubles tennis title at the 1998 US Open. With the win, Hingis became the third woman in the Open Era to complete a Grand Slam in doubles, after Martina Navratilova and Pam Shriver. Additionally, Hingis and her partners defeated Davenport/Zvereva in all four major finals in 1998.
Serena and Venus Williams defeated Lindsay Davenport and Corina Morariu in the final, 6–2, 4–6, 6–4 to win the women's doubles tennis title at the 2001 Australian Open. It was the Williams sisters' fourth major doubles title, and they completed the career Golden Slam in doubles with the win.
The women's doubles Tournament at the 2000 Indian Wells Masters took place between March 10 and March 19 on the outdoor hard courts of the Indian Wells Tennis Garden in Indian Wells, California, United States. Lindsay Davenport and Corina Morariu won the title, defeating Anna Kournikova and Natasha Zvereva in the final.
Defending champion Martina Hingis and her partner Mirjana Lučić defeated the other defending champion Natasha Zvereva and her partner Lindsay Davenport in the final, 6–4, 2–6, 6–3 to win the women's doubles tennis title at the 1998 Australian Open. It was the first step in an eventual Grand Slam for Hingis.
Martina Hingis and Jana Novotná defeated the defending champion Natasha Zvereva and her partner Lindsay Davenport in the final, 6–1, 7–6(7–4) to win the women's doubles tennis title at the 1998 French Open. It was the second step in an eventual Grand Slam for Hingis.
The 2000 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 of America. It was the 120th edition of the US Open and was held from 28 August through 10 September 2000.
Serena Williams and Venus Williams were the defending champions, but did not compete this year.
Julie Halard-Decugis and Ai Sugiyama were the defending champions, but did not compete this year.
Lisa Raymond and Rennae Stubbs were the defending champions, but lost in third round to Kim Clijsters and Meghann Shaughnessy.
Anna Kournikova and Barbara Schett were the defending champions, but played this year with different partners. Kournikova teamed up with Martina Hingis and reached the final before been forced to withdraw, while Schett teamed up with Silvia Farina Elia and lost in semifinals.
Lisa Raymond and Rennae Stubbs were the defending champions, but did not compete this year.
Lisa Raymond 
Rennae Stubbs 
Martina Hingis 
Mary Pierce 
