Andy Murray beat Sam Querrey in four sets as Great Britain reached the Davis Cup quarter-finals for the first time since 1986.
Hosts Japan sailed into the Davis Cup quarter-finals for the first time with a 3-1 victory against injury-plagued Canada on Sunday.
France and Switzerland gained unassailable 3-0 leads in the Davis Cup whilst Serbia were dumped out.
Play at the Australian Open was temporarily called to a halt on day four with temperatures hitting 43.3 degrees Celsius.
Serena Williams played well within herself to move into the third round of the Australian Open with a 6-1 6-2 win over Vesna Dolonc.
Round-up: The Australian Open ended early for John Isner after the American number one retired from his match against Martin Klizan.
ATP World Tour Finals
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