The following is the sequence of No. 1 ranked women's players since 1975. A total of eight players have held the No. 1 ranking.
PLAYER DATE
Chris Evert (1) � November 1975-July 9, 1978
Martina Navratilova (2) � July 10, 1978-January 13, 1979
Chris Evert � January 14-27, 1979
Martina Navratilova � January 28-February 24, 1979
Chris Evert � February 25-April 15, 1979
Martina Navratilova � April 16-June 24, 1979
Chris Evert � June 25-September 9, 1979
Martina Navratilova � September 10, 1979-April 6, 1980
Tracy Austin (3) � April 7-20, 1980
Martina Navratilova � April 21-June 30, 1980
Tracy Austin � July 1-November 17, 1980
Chris Evert � November 18, 1980-May 2, 1982
Martina Navratilova � May 3-16, 1982
Chris Evert � May 17-June 13, 1982
Martina Navratilova � June 14, 1982-June 9, 1985
Chris Evert � June 10-October 13, 1985
Martina Navratilova � October 14-27, 1985
Chris Evert � October 28-November 24, 1985
Martina Navratilova � November 25, 1985-August 16, 1987
Steffi Graf (4) � August 17, 1987-March 10, 1991
Monica Seles (5) � March 11, 1991-August 4, 1991
Steffi Graf � August 5-11, 1991
Monica Seles � August 12-18, 1991
Steffi Graf � August 19-September 9, 1991
Monica Seles � September 9, 1991-June 6, 1993
Steffi Graf � June 7, 1993-February 5, 1995
Arantxa Sanchez Vicario (6) � February 6-19, 1995
Steffi Graf � February 20-26, 1995
Arantxa Sanchez Vicario � February 27, 1995-April 9
Steffi Graf � April 10, 1995-May 14, 1995
Arantxa Sanchez Vicario � May 15, 1995-June 11, 1995
Steffi Graf � June 12, 1995-August 20, 1995
Steffi Graf and Monica Seles August 21, 1995-November 3, 1996
Steffi Graf � November 4-17, 1996
Steffi Graf and Monica Seles November 18-24, 1996
Steffi Graf � November 25, 1996-March 30, 1997
Martina Hingis (7) � � March 31, 1997-October 11, 1998
Lindsay Davenport (8) � � October 12, 1998-February 7, 1999
Martina Hingis � February 8, 1999-July 4, 1999
Lindsay Davenport � July 5, 1999-August 8, 1999
Martina Hingis � August 9, 1999-April 2, 2000
Lindsay Davenport � April 3, 2000-May 7, 2000
Martina Hingis � May 8, 2000-May 14, 2000
Lindsay Davenport � May 15, 2000-May 21, 2000
Martina Hingis May 22, 2000-present
The following is a list of the total weeks each player has held the top ranking:
PLAYER � WEEKS
Graf � 377 �
Navratilova � �331
Evert � 262
Hingis � 189
Seles � 178
Davenport � 28
Austin � �22
Sanchez Vicario � 12