Highlights of the fifth day of the Australian Open on Thursday (all times GMT): 1554 TEENAGER TIEN STUNS MEDVEDEV American qualifier Learner Tien held his nerve in a battle that lasted four hours and 49 minutes to stun Russian fifth seed Daniil Medvedev,

Jack Draper made it through with a five-set win over local favourite Thanasi Kokkinakis, while Jacob Fearnley, who is making his debut at the Australian Open, followed up his victory over Nick Kyrgios with a 3-6 7-5 6-2 6-3 win over Arthur Cazaux.

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