Andy Murray (quad) withdraws from Tokyo Olympics singles tennis tournament, remains in doubles - ESPN

Andy Murray (quad) withdraws from Tokyo Olympics singles tennis tournament, remains in doubles  ESPNDefending Olympic champion Andy Murray withdraws from Tokyo singles competition  NBC OlympicsAndy Murray will not defend Olympic singles title in Tokyo after quad injury  The GuardianAndy Murray withdraws from Tokyo Olympics tennis singles tournament  Sportsnet.caAndy Murray Withdraws From Singles At Tokyo Olympics  ATP TourView Full Coverage on Go