The 24-year-old has won 13 of his first 16 matches at Masters events.
The pair traded smiles -- and miraculously good shots -- on Monday in Miami.
"Goes without saying this is a tough one to take and I’ll be out for an extended period," former world No. 1 Andy Murray said.
Two Kazakhstan women are among the last eight still standing in Miami.
Photographer Matthew Calvis is roaming the grounds of the Miami Open and shares day six shots from Hard Rock Stadium.
Caroline Garcia rocketed 12 aces topping Naomi Osaka 7-6(5), 7-5 to reach the Maimi Open round of 16.
Carlos Alcaraz puts Andy Murray in a happy place.