Badminton world No 1 An Se-young sent a warning for the Asian Games as she clinched her third China Masters title in a row in ominous fashion.South Korea’s reigning Olympic and world champion will defend her crown when the Asian Games begin on September 19 in Aichi-Nagoya in Japan.The 24-year-old will be overwhelming favourite after winning the China Masters on Sunday with a ruthless 21-17, 21-6 demolition of Tomoka Miyazaki in Shenzhen.An did not drop a game all week on the way to her seventh title of the season.“I’m so proud of myself. I’m really pleased with the result and I feel so happy,” An said.Despite being the undoubted dominant force in women’s badminton once more this year, An said: “There are many players coming up and challenging.India’s Satwiksairaj Rankireddy (right) and Chirag Shetty beat home duo He Jiting and Ren Xiangyu. Photo: AFP