MELBOURNE, Jan 24 (Reuters) - The Australian Open fourth round begins ‌on Sunday as the year's first Grand Slam enters its second week, with top seeds Aryna Sabalenka and Carlos Alcaraz in action ‌during the day session.

Coco Gauff and Alexander Zverev are also playing, while sixth seed Alex de Minaur carries Australia's hopes in ‌the night session.