▁the ▁ 9 ▁Masters ▁series ▁events . ▁At ▁the ▁French ▁Open , ▁Dj ok ov ic ▁made ▁it ▁to ▁the ▁semif inals ▁for ▁the ▁ 3 rd ▁straight ▁year , ▁however ▁lost ▁to ▁Nad al ▁in ▁a ▁ 5 ▁set ▁ep ic ▁ 9 – 7 ▁in ▁the ▁fifth . ▁At ▁W im ble don , ▁Dj ok ov ic ▁made ▁it ▁to ▁his ▁second ▁final ▁at ▁the ▁event , ▁but ▁lost ▁to ▁Andy ▁Murray ▁in ▁straight ▁sets , ▁the ▁first ▁time ▁since ▁ 2 0 1 0 ▁that ▁he ▁had ▁failed ▁to ▁win ▁a ▁set ▁in ▁a ▁Grand ▁S lam ▁match . ▁Dj ok ov ic ▁then ▁reached ▁his ▁fourth ▁straight ▁US ▁Open ▁final ▁but ▁for ▁the ▁third ▁time ▁he ▁ended ▁up ▁losing , ▁this ▁time ▁to ▁Nad al ▁in ▁four ▁sets . ▁Dj ok ov ic ▁then ▁remained ▁und efe ated ▁at ▁the ▁China ▁Open ▁defe ating ▁Nad al ▁in ▁straight ▁sets , ▁claim ing ▁his ▁fourth ▁title ▁in ▁five ▁years ▁and ▁his ▁first ▁title ▁in ▁over ▁ 6 ▁months . ▁Dj ok ov ic ▁then ▁def ended ▁his ▁Shang hai ▁Ro lex ▁Masters ▁title ▁by ▁defe ating ▁del ▁Pot ro ▁in ▁a ▁third ▁set ▁tie break , ▁thus ▁having ▁a ▁ 2 0 ▁match ▁winning ▁stre ak ▁in ▁China . ▁He ▁won ▁his ▁third ▁consecutive ▁title ▁at ▁the ▁B NP ▁Par ib as ▁Masters ▁defe ating ▁world ▁no . ▁ 3 ▁David ▁Fer rer ▁in ▁the ▁final , ▁his ▁sixth ▁title ▁of ▁the ▁year ▁and ▁extends ▁his ▁winning ▁stre ak