Wimbledon champion Andy Murray could play 'Battle of the Sexes' challenge against Serena Williams The 26-year-old staged a doubles match in aid of the Royal Marsden Cancer Charity after winning the Aegon Championships title at Queen's Club last month, with close friend Ross Hutchins battling Hodgkin's lymphoma. Murray also donated his £73,000 winnings to the charity. The first two involved Bobby Riggs, who thrashed Margaret Court before famously being humiliated by Billie Jean King. In the latter Jimmy Connors beat Martina Navratilova, while Williams herself was thrashed 6-1 by Karsten Braasch in a one-set encounter when she was 16. Now 31 and a multiple grand slam winner, the American nevertheless proposed a handicap system for any Murray match to ensure a more competitive encounter. Murray is also in advanced talks over staging an action replay of his Wimbledon final win against Novak Djokovic at New York's Madison Square Garden in March. The BNP Paribas Showdown for the Billie Jean Cup could net Murray a seven-figure sum, something he is expected to command for all his exhibition appearances in the wake of his Wimbledon triumph. The same could apply for the sponsorship patch on his shirt that has been left vacant for the past 18 months and over which even more companies are now fighting.