It is the 33rd edition of the event known that year as the BNP Paribas Open, and is part of the ATP World Tour Masters 1000 of the 2009 ATP World Tour, and of the WTA Premier tournaments of the 2009 WTA Tour.
It is the 33rd edition of the event, and the 1st known as the BNP Paribas Open. It was part of the ATP World Tour Masters 1000 on the 2009 ATP World Tour, and of the Premier tournaments of the WTA Tour.