[['tournament', '2006', '2007', '2008', '2009', '2010', '2011', '2012'], ['grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments'], ['australian open', 'a', 'a', 'a', '2r', '3r', '2r', 'sf'], ['french open', 'a', 'a', 'a', '1r', '3r', 'w', 'sf'], ['wimbledon', 'a', '2r', '1r', '1r', '2r', '1r', 'f'], ['us open', 'a', 'a', 'a', '2r', '1r', 'qf', 'f'], ['win - loss', '0 - 0', '1 - 1', '0 - 1', '2 - 4', '5 - 4', '10 - 3', '18 - 4'], ['olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games'], ['summer olympics', 'not held', 'not held', 'a', 'not held', 'not held', 'not held', 's'], ['year - end championship', 'year - end championship', 'year - end championship', 'year - end championship', 'year - end championship', 'year - end championship', 'year - end championship', 'year - end championship'], ['tour championships', 'a', 'a', 'a', 'a', 'a', 'a', 'f'], ['wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments', 'wta premier mandatory tournaments'], ['indian wells', 'a', 'a', 'a', 'a', '2r', '1r', 'sf'], ['miami', 'a', 'a', 'a', 'a', '1r', '1r', '1r'], ['madrid', 'not held', 'not held', 'not held', 'a', 'a', 'a', '2r'], ['beijing', 'tier ii', 'tier ii', 'tier ii', 'a', 'a', 'a', 'a'], ['wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments', 'wta premier 5 tournaments'], ['dubai', 'nh', 'tier ii', 'tier ii', 'a', 'a', 'a', 'premier'], ['doha', 'tier ii', 'tier ii', 'a', 'not held', 'not held', 'p', 'a'], ['rome', 'a', 'a', 'a', 'a', '2r', 'a', 'a'], ['montréal / toronto', 'a', 'a', 'a', 'a', '2r', 'a', 'a'], ['cincinnati', 'tier iii', 'tier iii', 'tier iii', 'a', 'a', '2r', 'w'], ['tokyo', 'a', 'a', 'a', 'a', 'a', 'a', 'a'], ['career statistics', '2006', '2007', '2008', '2009', '2010', '2011', '2012'], ['tournament played', '1', '3', '7', '10', '14', '19', '17'], ['titles', '0', '1', '2', '1', '1', '3', '4'], ['finals', '0', '1', '2', '1', '1', '5', '9'], ['overall win - loss', '1 - 1', '5 - 2', '12 - 5', '14 - 9', '17 - 13', '30 - 16', '48 - 12'], ['year - end ranking', '236', '99', '71', '59', '45', '14', '3']]
the Year with the best Ranking was 2012 , with a Ranking of 3 , and the worst Ranking was in 2006 with a Ranking of 236
the [ENT] with the best [ENT] was [ENT] , with a [ENT] of [ENT] , and the worst [ENT] was in [ENT] with a [ENT] of [ENT]