Rory McIlroy of Northern Ireland (L) poses alongside his tennis ace girlfriend Caroline Wozniacki (L) of Denmark during the Welcome Reception prior to the start of the WGC-HSBC Championships golf tournament in Shanghai, Nov 1, 2011. [Photo/CFP]

Tennis player Caroline Wozniacki of Denmark watches Rory McIlroy of Northern Ireland as he plays on the second green during the final round of the WGC-HSBC Champions golf tournament in Shanghai Nov 6, 2011. [Photo/Agencies]