▁and ▁Ven us ▁Williams . ▁ ▁D ul ko ▁caused ▁the ▁first ▁ups et ▁of ▁the ▁French ▁Open ▁with ▁a ▁first ▁round ▁victory ▁over ▁the ▁No . ▁ 1 0 ▁seed , ▁Victoria ▁Az aren ka . ▁D ul ko ▁was ▁then ▁defeated ▁by ▁Chan elle ▁Sche ep ers ▁in ▁the ▁second ▁round . ▁D ul ko ▁lost ▁in ▁the ▁first ▁round ▁of ▁her ▁W im ble don ▁campaign ▁by ▁Mon ica ▁Nic ules cu . ▁She ▁and ▁Pen net ta ▁reached ▁the ▁semi - final s ▁of ▁the ▁doubles ▁event . ▁ ▁D ul ko ▁then ▁played ▁at ▁the ▁Swedish ▁Open ▁in ▁B å stad , ▁where ▁she ▁was ▁seed ed ▁ 4 th . ▁Although ▁D ul ko ▁over c ame ▁Pen net ta ▁in ▁the ▁semi - final s , ▁she ▁fell ▁in ▁the ▁final ▁to ▁the ▁French ▁No . ▁ 2 ▁seed , ▁A rav ane ▁Re za ï , ▁in ▁three ▁sets . ▁D ul ko ▁and ▁Pen net ta ▁went ▁on ▁to ▁defend ▁their ▁doubles ▁title ▁by ▁defe ating ▁the ▁Czech ▁pair ▁of ▁Ren ata ▁Vor á č ová ▁and ▁Barb ora ▁Z á h lav ová - Str ý c ová . ▁ ▁D ul ko ▁and ▁Pen net ta ▁won ▁a ▁mar athon ▁doubles ▁final ▁at ▁the ▁Rog ers ▁Cup ▁in ▁Montreal , ▁be ating ▁K vě ta ▁P esch ke ▁and ▁Kat arina ▁S re bot nik , ▁for ▁their ▁fifth ▁title ▁of ▁the ▁season . ▁Their ▁next ▁event ▁together ▁was ▁the ▁US ▁Open