Coco Gauff serves up a masterclass to brush aside Muchova in China Open
American claims eighth WTA title with Beijing triumphInstant success for world No 6 after changing coach The world No 6 Coco Gauff dominated unseeded Czech Karolina Muchova to win the China Open final 6-1, 6-3 on Sunday and become the first player to win each of their first seven WTA hardcourt finals in the Open…