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.
Zverev brushes aside Darderi to reach US Open quarter-finals
Alexander Zverev has put a slow start to his US Open campaign further behind him as the top-seeded German defeated Italian Luciano Darderi 6-2 6-2 7-6(3) on Monday and moved into the quarter-finals.
Gauff downs fellow American Jovic to reach US Open last eight
Fourth seed Coco Gauff has stayed on course for a third Grand Slam title after reaching the US Open quarter-finals with a 6-1 6-4 win over fellow American Iva Jovic at Arthur Ashe Stadium on Monday.
Liam Lawson to replace injured Isack Hadjar again in Madrid
Liam Lawson will race alongside Red Bull superstar Max Verstappen for this weekend's Spanish Grand Prix with Isack Hadjar still sidelined by a wrist injury.
Rybakina thumps Osaka to reach US Open quarters, close in on top ranking
Elena Rybakina has cleared another big hurdle in her bid to win a third Grand Slam title by outclassing former US Open champion Naomi Osaka 6-1 6-4 on Monday to reach the quarter-finals at Flushing Meadows.
Zheng stuns Swiatek at US Open as Andreeva extends winning run
Chinese qualifier Zheng Qinwen produced another spectacular fight back to upset six-times major winner Iga Swiatek 7-5 6-3 in the US Open on Monday, recovering from 0-5 down in the opening set to reach the quarter-finals.
