Novak Djokovic records 100th win at Australian Open
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Highlights of the fourth day at the Australian Open on Wednesday (times GMT): Play started on the main showcourts at Melbourne Park with Ukrainian 12th seed Elina Svitolina taking on qualifier Linda Klimovicova of Poland at John Cain Arena.
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John McEnroe raises major worry over Novak Djokovic at Australian Open: 'That is the reality'
Novak Djokovic swept past Pedro Martinez with a commanding 6-3, 6-2, 6-2 triumph in his opening match at the Australian Open on Monday, yet questions persist about whether the Serbian veteran can go all the way.