Raducanu overcomes serving woes to battle throughDjokovic-Murray show begins | And mail Daniel here
Some latest scores:
Musetti (16) is serving for the second set at 5-4 against Arnaldi
Shelton (21) leads Nakashima 7-6 7-5 4-3
Bautista Agut and Shapovalov are warming up
Sonego and Wawrinka are 1-1 4-4
Etcheverry and Cobolli (32) are playing a first set tiebreak
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