2009 BNP Paribas Open
It was the 36th edition of the men's event ( 21st for the women ) , known that year as the BNP Paribas Open , and was classified as an ATP World Tour Masters 1000 event on the 2009 ATP World Tour and a Premier Mandatory event on the 2009 WTA Tour . 
<triplet> 2009 WTA Tour <subj> 2009 <obj> point in time <subj> 2009 <obj> point in time