Angelique Kerber rallied past Madison Keys to win the Family Circle Cup on Sunday, capturing six of the last seven games for a 6-2, 4-6, 7-5 victory. This was Kerber's fourth WTA title and first since Linz in 2013. The German broke serve five times against an opponent who hadn't lost serve all week. Kerber fell to the ground and covered her face in celebration when Keys' final shot sailed long. Kerber had defeated friend, countrywoman and defending champion Andrea Petkovic in the semifinals. Angelique Kerber (centre) celebrates her victory in Charleston with the local ball boys and girls . Kerber kisses the trophy after emerging victorious in the final of the Family Circle Cup . Kerber trailed 4-1 in the final set, with the 20-year-old American using a strong serve to build what looked like a solid lead. The German won 12 of the next 16 to tie the match. Keys moved in front once more at 5-4 before Kerber took control for good. Kerber won the next game at love, then rallied from 40-0 down to break serve and pull ahead. Keys made four straight errors in the final game to give Kerber the match. Keys, seeded seventh, entered the final on a strong run. She had dominated four opponents in reaching her first clay-court final. But Kerber was just as relentless at keeping the ball in play and counting on Keys' aggressiveness to lead to mistakes on the slow surface. Keys finished with 57 unforced errors, nearly three times as many as Kerber's 21. Kerber sits on the court in apparent disbelief after she clinched victory in a pulsating final . Keys gets tangled up on the court before going on to lose a tight three-set final . A general view of the main court in Charleston during the final of the Family Circle Cup . Kerber broke serve three times in a surprisingly quick opening set. Keys found her footing in the second set to tie the match. She moved Kerber from side to side and used her powerhouse forehand to gain control. That continued into the third set and she built a 4-1 lead. Keys consistently hit serves topping 100 mph. Her consistency, though, didn't match Kerber's. Keys made only 66 percent of her first serves while Kerber proved steady at 83 percent. It was the second straight knockdown final for Keys and Kerber. Keys outlasted the German in three sets to win her only WTA title, at Eastbourne last June. Kerber stretches out to her right to play a backhand during the match . Keys shows her frustrations after hitting a bad shot in the final on Sunday .
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 .