Serena Williams' return at Queen's Club ends with withdrawal - ESPN
• Serena Williams' return to tennis was cut short at the HSBC Championships after her doubles partner, Victoria Mboko, was forced to withdraw due to a knee injury. • The pair won their first doubles match in straight sets on Tuesday, but Mboko suffered a left knee injury during a singles match against Karolina Pliskova on Wednesday. • Tournament organizers confirmed Thursday morning that the 19-year-old Canadian athlete is officially ruled out of the doubles competition.
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