PARIS, May 29 : Victoria Mboko said it was up to American great Serena Williams to announce her comeback to the sport as media speculation intensified about their potential doubles partnership at next month's Queen's Club Championships in London.Williams, who won the last of her 23 Grand Slam singles titles i

Reports claim the 44-year-old is set to play doubles at the HSBC Championships.

Tennis fans could soon see Serena Williams back on court, with reports linking the 23-time Grand Slam champion to a doubles appearance in London.