<p>American Jennifer Brady reached a Grand Slam quarter-final for the first time Sunday, dismantling former world number one Angelique Kerber in straight sets at the US Open.</p>.<p>The 25-year-old needed just 1hr 29 min to sweep aside the three-time Grand Slam-winning German 6-1, 6-4 to move into the last eight at Flushing Meadows.</p>.<p>It was the first time Brady had made the fourth round at the Billie Jean King National Tennis Center in New York since 2017.</p>.<p>She had failed to get past the first round in her last two outings.</p>.<p>Her previous joint-best appearance at a Grand Slam came when she reached the last 16 of the Australian Open in 2017.</p>.<p>Brady, seeded 28th, broke serve four times and smashed 25 winners against the 17th-seeded Kerber, the 2016 US Open champion.</p>
<p>American Jennifer Brady reached a Grand Slam quarter-final for the first time Sunday, dismantling former world number one Angelique Kerber in straight sets at the US Open.</p>.<p>The 25-year-old needed just 1hr 29 min to sweep aside the three-time Grand Slam-winning German 6-1, 6-4 to move into the last eight at Flushing Meadows.</p>.<p>It was the first time Brady had made the fourth round at the Billie Jean King National Tennis Center in New York since 2017.</p>.<p>She had failed to get past the first round in her last two outings.</p>.<p>Her previous joint-best appearance at a Grand Slam came when she reached the last 16 of the Australian Open in 2017.</p>.<p>Brady, seeded 28th, broke serve four times and smashed 25 winners against the 17th-seeded Kerber, the 2016 US Open champion.</p>