Carlos Alcaraz has another chance to overtake Alexander Zverev in the ATP Rankings, as the German continues to struggle for consistency.
Alexander Zverev has had a "natural dip in his form" after defeat in the Australian Open final but will be a contender again at the French Open, according to former world No 1 Mats Wilander.
Alexander Zverev's alarming slump in form continued as he was beaten by Tallon Griekspoor in his opening match at the Indian Wells Masters.
World number two Alexander Zverev was knocked out in the second round of the Mexican Open on Thursday.
Alexander Zverev was heckled by a member of the Australian Open crowd in Melbourne as he prepared to make his speech following a defeat against Jannik Sinner in a one-sided final.
Italian tennis star Jannik Sinner solidified his place at the top of the sport with a commanding straight-set victory over Germany's Alexander Zverev to retain his Australian Open title on Sunday.