Former US Open champion Emma Raducanu pulled out of the Auckland Classic on Tuesday with a "back niggle" in a blow to her Australian Open preparations.

Emma Raducanu faces a fresh injury nightmare after revealing a ‘back niggle’ with the Australian Open getting underway in less than two weeks. The British tennis star has been forced to withdraw from the ASB Classic in Auckland over the issue,

Emma Raducanu has pulled out of the first tournament of the new season through injury. The 22-year-old was forced to withdraw from the ASB Classic in Auckland with a back problem. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.