2011 Kremlin Cup
It was the 22nd edition of the Kremlin Cup for the men ( 16th edition for the women ) and was part of the ATP World Tour 250 Series of the 2011 ATP World Tour , and of the Premier Series of the 2011 WTA Tour . 
<triplet> 2011 ATP World Tour <subj> 2011 <obj> point in time <subj> 2011 <obj> point in time <triplet> Premier Series <subj> 2011 <obj> point in time <subj> 2011 <obj> point in time <triplet> 2011 WTA Tour <subj> 2011 <obj> point in time <subj> 2011 <obj> point in time