ator . ▁▁ 2 0 1 6 : ▁Top ▁ 1 0 , ▁two ▁Premier ▁ 5 ▁final s , ▁W TA ▁Final s ▁ber th ▁ ▁Ke ys ▁began ▁the ▁year ▁ranked ▁No . ▁ 1 8 ▁in ▁the ▁world . ▁She ▁reached ▁the ▁fourth ▁round ▁at ▁the ▁Australian ▁Open , ▁where ▁she ▁lost ▁to ▁qual ifier ▁Z hang ▁Sh u ai ▁in ▁a ▁match ▁where ▁she ▁was ▁ahead ▁up ▁until ▁she ▁started ▁to ▁experience ▁pain ▁in ▁her ▁leg ▁in ▁the ▁second ▁set . ▁She ▁did ▁not ▁play ▁again ▁until ▁the ▁Indian ▁Well s ▁Open . ▁At ▁the ▁Miami ▁Open , ▁Ke ys ▁produced ▁another ▁good ▁result ▁with ▁her ▁first ▁quarter final ▁at ▁a ▁Premier ▁Mand atory ▁event . ▁ ▁During ▁the ▁cl ay ▁court ▁season , ▁Ke ys ▁h ired ▁Thomas ▁H ög sted t ▁to ▁be ▁her ▁coach . ▁She ▁would ▁drop ▁J esse ▁Lev ine , ▁who ▁had ▁been ▁co aching ▁her ▁since ▁the ▁start ▁of ▁the ▁year , ▁from ▁her ▁team ▁within ▁the ▁next ▁few ▁weeks . ▁Her ▁new ▁partners hip ▁quickly ▁proved ▁to ▁be ▁successful ▁with ▁Ke ys ▁reaching ▁the ▁final ▁at ▁the ▁Italian ▁Open ▁leading ▁up ▁to ▁the ▁French ▁Open , ▁her ▁first ▁final ▁at ▁a ▁Premier ▁ 5 ▁event ▁and ▁the ▁biggest ▁of ▁her ▁career . ▁During ▁the ▁event , ▁she ▁defeated ▁two ▁top ▁ten ▁players ▁in ▁No . ▁ 9 ▁Pet ra ▁K v it ová ▁and ▁No . ▁ 4 ▁Gar bi ñ e ▁M ug uru za . ▁She ▁lost ▁in ▁the