▁and ▁J or an ▁V lie gen ▁were ▁the ▁def ending ▁champions ▁but ▁chose ▁not ▁to ▁defend ▁their ▁title . ▁ ▁S ander ▁Ar ends ▁and ▁Tr istan - Sam uel ▁We iss born ▁won ▁the ▁title ▁after ▁defe ating ▁David ▁Pel ▁and ▁Antonio ▁Š an č ić ▁ 6 – 4 , ▁ 6 – 4 ▁in ▁the ▁final . ▁ ▁Se eds ▁ ▁Draw ▁ ▁References ▁ ▁Main ▁Draw ▁ ▁Open ▁de ▁R ennes ▁- ▁Dou bles ▁ 2 0 1 9 ▁Dou bles <0x0A> </s> ▁Mer lot ▁blanc ▁is ▁a ▁white ▁French ▁wine ▁gra pe ▁variety ▁that ▁came ▁from ▁a ▁natural ▁crossing ▁of ▁the ▁Bor de aux ▁wine ▁gra pe ▁Mer lot ▁and ▁the ▁C ogn ac ▁gra pe ▁Fol le ▁blan che . ▁The ▁gra pe ▁is ▁distinct ▁from ▁Mer lot ▁gr is ▁which ▁is ▁a ▁p ink - sk inned ▁color ▁mut ation ▁of ▁the ▁red ▁wine ▁gra pe ▁Mer lot ▁and ▁is ▁sometimes ▁used ▁in ▁vin ▁gr is ▁and ▁ros é ▁w ines . ▁Plant ings ▁of ▁Mer lot ▁blanc ▁were ▁first ▁discovered ▁in ▁ 1 8 9 1 ▁but ▁c utt ings ▁of ▁the ▁v ine ▁have ▁not ▁been ▁widely ▁propag ated ▁and ▁the ▁variety ▁is ▁very ▁rare . ▁It ▁is ▁not ▁used ▁to ▁make ▁the ▁sweet ▁White ▁Z inf and el - style ▁wine ▁White ▁Mer lot ▁that ▁is ▁made ▁by ▁some ▁California ▁wine ▁produ cers . ▁Those ▁w ines ▁are ▁made ▁from ▁a ▁sa igne e ▁of ▁red ▁Mer lot ▁wine . ▁ ▁Rel