In this Sept 27, 2020 photo, Britain's Andy Murray returns the ball to Switzerland's Stanislas Wawrinka during their men's singles first round tennis match on Day 1 of The Roland Garros 2020 French Open tennis tournament in Paris. (ANNE-CHRISTINE POUJOULAT / AFP)

WASHINGTON - Former world No 1 Andy Murray of Britain has withdrawn from the 2021 Miami Open due to a left groin injury, the organizers said on Tuesday.

His place in the draw will be filled by a qualifier or lucky loser, the organizers added.

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The 33-year-old, who has a 28-9 record in Miami, lifted the trophy in 2009 and 2013.

Murray and his wife, Kim, welcomed their fourth child on March 12.