LONDON, June 10 : World number nine Victoria Mboko slipped and appeared to injure her knee during her last-16 clash against Karolina Pliskova at the Queen's Club WTA tournament on Wednesday and could be in doubt for her doubles quarter-final with Serena Williams.The 19-year-old Canadian teamed up with William

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.

The 23-time Grand Slam singles champion teamed up with Victoria Mboko for a first-round doubles victory.