▁Team T ennis ▁exhibition ▁set ▁against ▁then ▁world ▁No . ▁ 2 ▁Ser ena ▁Williams ▁later ▁that ▁year . ▁Ke ys ▁first ▁crack ed ▁the ▁top ▁ 1 0 0 ▁of ▁the ▁W TA ▁rank ings ▁in ▁ 2 0 1 3 ▁at ▁the ▁age ▁of ▁ 1 7 . ▁She ▁had ▁her ▁first ▁big ▁break through ▁at ▁a ▁major ▁in ▁early ▁ 2 0 1 5 ▁when ▁she ▁reached ▁the ▁semif inals ▁of ▁the ▁Australian ▁Open ▁as ▁a ▁te en ager . ▁ ▁Early ▁life ▁and ▁background ▁Ke ys ▁was ▁born ▁on ▁February ▁ 1 7 , ▁ 1 9 9 5 ▁in ▁Rock ▁Island , ▁one ▁of ▁the ▁Qu ad ▁C ities ▁in ▁north western ▁Illinois . ▁Her ▁parents ▁Rick ▁and ▁Christ ine ▁are ▁both ▁att or ne ys , ▁and ▁her ▁father ▁was ▁also ▁a ▁Division ▁III ▁All - American ▁college ▁basketball ▁player ▁at ▁August ana ▁College . ▁She ▁has ▁an ▁older ▁sister ▁named ▁Sydney ▁and ▁two ▁younger ▁sister s ▁named ▁Mont ana ▁and ▁Hunter , ▁none ▁of ▁whom ▁play ▁tennis . ▁Ke ys ' s ▁passion ▁for ▁tennis ▁started ▁at ▁a ▁young ▁age . ▁Her ▁interest ▁in ▁the ▁sport ▁arose ▁from ▁watching ▁W im ble don ▁on ▁television ▁when ▁she ▁was ▁four ▁years ▁old . ▁Ke ys ▁asked ▁her ▁parents ▁for ▁a ▁white ▁tennis ▁dress ▁like ▁the ▁one ▁Ven us ▁Williams ▁was ▁we aring , ▁and ▁they ▁offered ▁to ▁get ▁her ▁one ▁if ▁she ▁started ▁playing ▁tennis . ▁Her ▁father ▁said ▁that ▁after ▁this ▁b arg ain , ▁"