▁to ▁reach ▁the ▁third ▁round , ▁before ▁bow ing ▁out ▁to ▁No . ▁ 5 ▁Angel ique ▁Ker ber . ▁With ▁this ▁success , ▁she ▁entered ▁the ▁top ▁ 1 0 0 ▁of ▁the ▁W TA ▁rank ings ▁at ▁No . ▁ 8 1 ▁a ▁month ▁before ▁turning ▁ 1 8 . ▁ ▁In ▁the ▁cl ay ▁court ▁season , ▁Ke ys ▁reached ▁another ▁quarter final ▁at ▁the ▁Char l eston ▁Open ▁before ▁losing ▁to ▁Ven us ▁Williams , ▁one ▁of ▁her ▁child hood ▁id ols , ▁in ▁their ▁first - ever ▁meeting . ▁She ▁next ▁played ▁at ▁the ▁Madrid ▁Open ▁and ▁defeated ▁world ▁No . ▁ 6 ▁Li ▁Na , ▁not ▁long ▁after ▁nearly ▁be ating ▁her ▁in ▁Sydney ▁earlier ▁in ▁the ▁year . ▁This ▁was ▁Ke ys ' s ▁first ▁victory ▁over ▁a ▁top ▁ 1 0 ▁oppon ent . ▁Ke ys ▁concluded ▁the ▁cl ay ▁season ▁with ▁a ▁second ▁round ▁appearance ▁in ▁her ▁French ▁Open ▁debut . ▁At ▁W im ble don , ▁she ▁used ▁a ▁second ▁consecutive ▁third ▁round ▁appearance ▁to ▁break ▁into ▁the ▁top ▁ 5 0 . ▁ ▁Ke ys ▁had ▁a ▁relatively ▁quiet ▁stretch ▁following ▁W im ble don . ▁In ▁October , ▁she ▁finished ▁her ▁season ▁at ▁the ▁Japan ▁Women ' s ▁Open ▁in ▁Os aka , ▁where ▁she ▁reached ▁her ▁first ▁W TA ▁semif inal . ▁She ▁lost ▁to ▁the ▁event ual ▁champion ▁Sam anth a ▁St os ur . ▁After ▁a ▁successful ▁year ▁on ▁the ▁tour , ▁Ke ys ▁finished ▁the ▁year ▁ranked