ok ov ic ▁defeated ▁in ▁the ▁final ▁by ▁Andy ▁Murray . ▁Murray ▁became ▁the ▁first ▁British ▁man ▁since ▁Fred ▁Perry ▁in ▁ 1 9 3 6 ▁to ▁win ▁a ▁Grand ▁S lam ▁singles ▁title , ▁and ▁the ▁first ▁man ▁to ▁win ▁both ▁the ▁US ▁Open ▁and ▁the ▁Olympic ▁men ' s ▁singles ▁gold ▁medal ▁in ▁the ▁same ▁year . ▁In ▁the ▁women ' s ▁draw , ▁Ser ena ▁Williams ▁won ▁her ▁fourth ▁US ▁Open ▁title , ▁and ▁first ▁since ▁ 2 0 0 8 , ▁by ▁defe ating ▁Victoria ▁Az aren ka ▁in ▁the ▁final . ▁ ▁Events ▁▁▁ 2 0 1 0 ▁champion ▁and ▁ 2 0 1 1 ▁final ist ▁Rafael ▁Nad al ▁with d rew ▁from ▁the ▁tournament ▁because ▁of ▁a ▁kne e ▁injury . ▁ 2 0 1 0 ▁final ist ▁V era ▁Z von are va ▁also ▁with d rew ▁from ▁the ▁tournament ▁due ▁to ▁ill ness . ▁Two ▁former ▁World ▁No . ▁ 1 s ▁and ▁US ▁Open ▁champions ▁ended ▁their ▁care ers ▁after ▁this ▁year ' s ▁US ▁Open . ▁Three - time ▁women ' s ▁champion ▁Kim ▁C lij sters ▁suffered ▁her ▁first ▁defeat ▁at ▁Fl ushing ▁M ead ows ▁since ▁losing ▁the ▁ 2 0 0 3 ▁final ▁to ▁her ▁compat ri ot ▁and ▁rival ▁Just ine ▁Hen in , ▁when ▁she ▁was ▁defeated ▁in ▁the ▁second ▁round ▁by ▁Laura ▁Rob son . ▁This ▁loss ▁marked ▁the ▁end ▁of ▁C lij sters ' ▁singles ▁career . ▁American ▁Andy ▁Rod d ick , ▁who ▁won