Top seed Serena Williams surpassed a record as she cruised into the fourth round of the US Open on Saturday.
Williams was dominant over Sweden's Johanna Larsson, beating her 6-2, 6-1 to surpass Martina Navratilova for the most Grand Slam wins by a woman with 307 wins.
She also matched Roger Federer wins for men.
Serena takes on Kazakhstan’s Yaroslava Shvedova for a quarter-final berth.In the Men category, Stan Wawrinka, a two-time Grand Slam winner, had to struggle against Britain's Dan Evans and eventually saving a match point to win 4-6, 6-3, 6-7, (6/8), 7-6 (10/8)
The 3rd seed saved the vital match point at 5/6 in the fourth set tiebreaker which eventually break the will of his opponent.
Second seed Andy Murray was put to the test by Paolo Lorenzi in the third round of the US Open on Saturday, needing four sets to book his spot in the fourth round.
Murray, vying to become just the fourth man to reach all four Grand Slam finals in a calendar year, looked in commanding form in his first two matches but struggled against an inspired Italian opponent.
He made 47 errors in the first two sets before turning the match around with a change of tactics.
He put himself together, cut out the errors and dominated the third and fourth sets to finally secure victory.
Murray will face Bulgarian Grigor Dimitrov in the last 16.
Argentina's Juan Martin del Potro reached the fourth round for the first time since 2012 with a 7-6 (7-3) 6-2 6-3 win over Spanish 11th seed David Ferrer.
Del Potro, the 2009 champion but ranked 142 after a series of wrist injuries, will now face Austrian eighth seed Dominic Thiem - who celebrated his 23rd birthday with victory over Pablo Carreno Busta.
Kei Nishikori, the sixth seed from Japan and a potential quarter-final opponent for Murray, beat France's Nicolas Mahut 4-6 6-1 6-2 6-2.
He plays 21st-seeded Ivo Karlovic next after the Croat beat 19-year-old American qualifier Jared Donaldson to become the oldest man to reach the fourth round since Jimmy Connors was 39 in 1991.