LONDON, June 11 : Serena Williams' comeback was put on hold on Thursday as her doubles partner Victoria Mboko withdrew from the Queen's Club WTA event with a knee injury.After nearly four years away, the 44-year-old American great partnered Canadian teenager Mboko to victory against Nicole Melichar-Martinez a

Serena Williams will take part in her first professional tennis match in nearly four years on Tuesday after organisers confirmed the order of play at London's Queen's Club.

Serena Williams is back on a professional tennis court

Serena Williams is back on a professional tennis court