Fourth seed Daniil Medvedev has advanced to the third round of the Australian Open.
He secured a straight-set win over Spanish qualifier Pedro Martinez in just over two hours on Margaret Court Arena despite a brief medical timeout for nose bleed.
Medvedev will face Jaume Munar or Alexei Popyrin in the last 32.
Meanwhile, Britain's Heather Watson suffered a straight-set defeat by Belgium's 16th seed Elise Mertens.
She lost 6-3 6-0 in just 56 minutes.


Barcelona hit seven past Newcastle to roar into Champions League quarters
Sabalenka unsure of Dubai tournament return after criticism over withdrawal
Vinicius Jr nets double as Real Madrid dispatch Man City in Champions League
Morocco declared AFCON champions, Senegal to protest being stripped of title
Iran federation negotiating with FIFA to move World Cup games to Mexico
