Guan Tianlang, a 14-year-old eighth-grader from China, completed a wire-to-wire victory Sunday in the Asia-Pacific Amateur Championship in Bangkok, making a 5-foot par putt on the final hole for a one-shot win that earned him an invitation to the Masters. Guan closed with a 1-under 71, finishing the event with a 15-under 273. He is believed to be the youngest male to play in a major championship. Guan also earned a spot in the final stage of qualifying for the British Open . . . One month after leading a European rally in the Ryder Cup, Ian Poulter won individually for the first time this year. He closed with a 7-under 65 to come from four shots down and win the HSBC Champions for his second career World Golf Championships title in Shenzhen, China. Phil Mickelson (68), Jason Dufner (64), Scott Piercy (65), and Ernie Els (67) tied for second, two shots back . . . Tom Lehman won the Charles Schwab Cup Championship to become the first player to win the season points title two straight years. Lehman birdied four of the last five holes for a 5-under 65 and a six-stroke victory in Scottsdale, Ariz., finishing 22-under 258 . . . Stacy Lewis rallied to win the Mizuno Classic in Shima, Japan, for her LPGA-leading fourth title, birdieing the final three holes for an 8-under 64 and a one-stroke victory. Lewis, seven strokes behind Lee Bo-mee entering the round, finished at 11-under 205 and claim the $180,000 winner’s prize and a pearl-studded tiara . . . Jake Scott won the PGA Assistant Championship in Port St. Lucie, Fla., closing with a 2-under 70 for a seven-stroke victory.