Alexander Zverev is through to the semi-finals of the men's singles at the Australian Open.
The German beat Learner Tien by three sets to one in Melbourne earlier this morning.
Later, men's top seed Carlos Alcaraz and Alex de Minaur.
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Aryna Sabalenka is safely through to the women's singles semi-finals at the Australian Open.
Last year's beaten finalist enjoyed a straight sets victory over Iva Jovic to advance to the last four.
