MELBOURNE: Novak Djokovic continued his quest for a record-extending 11th Australian Open title and standalone 25th Grand Slam crown, but only after a cruel twist of fate for Lorenzo Musetti, who quit their quarter-final with an injury on Wednesday while leading.

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While the stars seemed to align for the 38-year-old Serb in his hunt for more glory at the majors, Iga Swiatek’s bid to seal a career Grand Slam — capturing all four of the sport’s biggest titles — went up in smoke following a defeat by Elena Rybakina.

There were several swings in momentum for Jessica Pegula, who deservedly reached the Melbourne Park semifinals for the first time after dashing fellow American Amanda Anisimova’s hopes of reaching three straight major finals.

The drama in the day session was reserved for the afternoon match where Djokovic arrived fresh for battle with Musetti after getting a walkover on Sunday from Czech youngster Jakub Mensik, which scuttled their fourth-round meeting.