mark Kerber beat Madison Keys 6 - 2 , 7 - 6 , 7 - 5 in the Charleston final . Kerber bounced back to win six of the last seven games in the tournament . It is the club 's first WTA title since Linz in 2013 .
Angelique Kerber beat Madison Keys 6-2 , 4-6 , 7-5 in the Charleston final . Kerber battled back to win six of the last seven games in the decider . It is the German 's first WTA title since Linz in 2013 .