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

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…

Williams won her first match since returning from retirement but may have to withdraw from her second-round clash