The first Sony Open Tennis - back in 1985 - saw Martina Navratilova beat Chris Evert for the title.
Evert would come back a year later in 1986 and claim the title, beating Steffi Graf in the final.
And the result would be reversed in 1987 - Graf defeated Evert in straight sets for the title.
Graf beat Evert for the title again in 1988, the year the German completed the Golden Grand Slam.
Evert made it to the final again in 1989, but this time finished runner-up to Gabriela Sabatini.
A new decade brought a new face to the podium - Monica Seles beat Judith Wiesner for the 1990 title.
Fresh off becoming World No.1, Seles repeated as champion in 1991, beating Sabatini in the final.
Arantxa Sánchez-Vicario would lift the trophy in Miami in 1992, beating Sabatini in the final.
And just like Seles had done in 1990 and 1991, Sánchez-Vicario won it back-to-back in 1992 and 1993.
The Graf domination resumed in 1994, though - the German beat Natasha Zvereva in three for the title.
Graf repeated in 1995, beating Kimiko Date-Krumm - then Kimiko Date - for the championship.
Graf won her fifth Sony Open Tennis crown in 1996 - a record at the time - over Chanda Rubin.
Martina Hingis beat Seles in the 1997 final, then became the youngest No.1 - beating Seles' record.
A new generation continued to dawn in 1998: Venus Williams rallied past Anna Kournikova for the title.
Venus Williams beat Serena Williams in the 1999 final, the first time sisters met in a WTA final.
Hingis reclaimed the Sony Open Tennis crown in 2000, beating Lindsay Davenport for the championship.
Venus Williams saved eight match points to beat Jennifer Capriati in the 2001 Sony Open Tennis final.
Serena Williams finally beat Venus Williams in the semifinals then Capriati for the title in 2002.
In a repeat of the 2002 final, Serena Williams beat Jennifer Capriati in the 2003 final in Miami.
Having not played for eight months, Serena Williams made a magical comeback and won the 2004 title.
Kim Clijsters won in 2005, becoming the second woman after Graf to get the Indian Wells-Miami double.
In an era of Russian domination, Svetlana Kuznetsova became the first Russian to win Miami, in 2006.
Serena Williams edged Justine Henin in the 2007 final, 06 75 63. Henin had two match points at 60 54.
Serena Williams won her record-tying fifth Sony Open Tennis crown in 2008, beating Jelena Jankovic.
Victoria Azarenka stunned Serena Williams in the 2009 final for her first Premier-level title.
Kim Clijsters, a mother this time, beat Venus Williams for her second Sony Open Tennis title in 2010.
Azarenka won her second Sony Open Tennis title in 2011, beating Maria Sharapova in the final.
Agnieszka Radwanska won arguably the biggest title of her career so far, winning in Miami in 2012.
Serena Williams lifted her record sixth Sony Open Tennis crown in 2013, edging Sharapova in the final.
And she repeated in 2014 for her record seventh title in Miami. Will she win it again next year?