MELBOURNE, Australia — Todd Sinnott of Australia shot 5-under-par 67 on Thursday to take a one-shot lead over 2012 champion Tianlang Guan of China after the first round of the Asia-Pacific Amateur Championship at Royal Melbourne. The 20-year-old Sinnott plays on the pennants team for Metropolitan, another sand-belt course nearby. Two strokes behind Sinnott and tied for third with 69s were Lee Chieh-po of Taiwan, Australian Antonio Murdaca and Tawan Phongphun of Thailand. read more