
Rafael Nadal has reduced seventh seed Matteo Berrettini to a grand slam pretender in an Australian Open semi-final victory that was equal parts ruthless and gritty.
A Wimbledon finalist last year, when he was runner-up to Novak Djokovic, Berrettini was made to look second rate for long periods in Friday's 6-3 6-2 3-6 6-3 loss on Rod Laver Arena.