- to - back ▁matches ▁just ▁once ▁since ▁Sydney . ▁She ▁was ▁able ▁to ▁reg ain ▁her ▁form ▁in ▁France ▁and ▁reached ▁the ▁semif inal ▁at ▁the ▁tournament . ▁At ▁the ▁French ▁Open , ▁she ▁drew ▁t enth - seed ▁S ara ▁Er ran i , ▁a ▁cl ay ▁court ▁special ist , ▁and ▁lost ▁in ▁the ▁first ▁round . ▁In ▁the ▁grass ▁court ▁season , ▁Ke ys ▁won ▁her ▁first ▁W TA ▁title ▁at ▁the ▁East bourne ▁International , ▁a ▁Premier - level ▁tournament . ▁She ▁defeated ▁two ▁top ▁ten ▁players ▁at ▁the ▁event , ▁No . ▁ 7 ▁J el ena ▁J ank ović ▁in ▁the ▁first ▁round ▁and ▁No . ▁ 9 ▁Ker ber ▁in ▁the ▁final . ▁This ▁was ▁her ▁only ▁ever ▁victory ▁over ▁Ker ber , ▁who ▁would ▁domin ate ▁Ke ys ▁in ▁their ▁future ▁matches . ▁During ▁the ▁final , ▁she ▁also ▁hit ▁a ▁ ▁serve , ▁which ▁would ▁have ▁been ▁the ▁fifth ▁fast est ▁ever ▁on ▁record ▁in ▁women ' s ▁tennis ▁history ▁if ▁the ▁tournament ▁was ▁officially ▁collect ing ▁serve ▁speed ▁data . ▁The ▁title ▁made ▁the ▁ 1 9 - year - old ▁Ke ys ▁the ▁young est ▁American ▁tit list ▁since ▁V ania ▁King ▁in ▁ 2 0 0 6 ▁and ▁the ▁first ▁te en age ▁tit list ▁since ▁Caroline ▁W oz nia cki ▁in ▁ 2 0 0 9 . ▁Ke ys ▁maintained ▁that ▁form ▁to ▁reach ▁the ▁third ▁round ▁at ▁W im ble don ▁but ▁was ▁forced ▁to ▁ret ire ▁due