Alex de Minaur eases into last eight of US Open with straight sets win

Australian No 1 too good for Swiss qualifier Leandro RiediNo 25 seed Felix Auger-Aliassime awaits in quarter-finalIt took until the second week of the US Open for the No 8 seed to be given a slot on one of the US Opens three show courts, but having finally been granted a premium placing Alex de Minaur has wasted no time putting on a show.In truth the Australian No 1 did not play at his best, but he did not need to as his opponent, Swiss qualifier Leandro Riedi, made a slew of errors.