De Minaur into US Open fourth round after Altmaier retires

Alex de Minaur advanced to the US Open fourth round on Sunday after Germany’s Daniel Altmaier retired with an injury while trailing, giving the eighth-seeded Australian a 6-7, 6-3, 6-4, 2-0 lead and a berth in the last 16 at Flushing Meadows. The win extended de Minaur’s remarkable run of consistency at majors and left him well placed to press for a first Grand Slam semifinal.

Altmaier, who had needed five sets to scrape through his previous matches, was visibly hampered by fatigue and physical issues in the contest and conceded in the fourth set, tournament officials said. De Minaur, who dropped the opening set in a tiebreak before reasserting control, credited persistence and mindset after the match. "It is just about showing up every day, no matter who you are playing, where you are," he told broadcasters. "You are going to have some good days and some bad days, but you have to leave it all out there and compete and fight and have the right mindset."

The 26-year-old Australian has reached the US Open fourth round for the fifth time in nine appearances and has now made the second week at eight of the last nine Grand Slams, a run matched only this season by Novak Djokovic,...