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 and Erin Routliffe in front of a sell-out crowd on Tuesday.
They were scheduled to play Canada’s Leylah Fernandez and Germany’s Laura Siegemund in the quarter-final,
