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.
US keep Super 8 hopes alive with 31-run win over Namibia in T20 World Cup
The United States kept their hopes of reaching the Twenty20 World Cup's Super 8 stage alive as they ended their Group A campaign with two straight wins, after beating Namibia by 31 runs on Sunday.
Sweden's Ponsiluoma shows nerves of steel to win men's pursuit gold
Martin Ponsiluoma held his nerve and hit his final five shots to win the men's 12.5km pursuit Olympic race in spectacular fashion on Sunday to finally secure a biathlon medal for Sweden at the Winter Games.
Holder, Hope help West Indies thump Nepal, make T20 World Cup Super Eight
West Indies charged into the Super Eight Stage of the Twenty20 World Cup after the two-times champions defeated Nepal by nine wickets in Mumbai on Sunday, with Jason Holder's four-wicket haul and Shai Hope's half-century setting up the win.
Banton blitz lifts England past Scotland in T20 World Cup
England beat Scotland by five wickets in the Twenty20 World Cup on Saturday to move up to second in Group C thanks to Tom Banton's unbeaten half-century at Eden Gardens.
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