Tennis: Pospisil outlasts Bautista Agut to reach US Open fourth round

September 06, 2020 4:35 AMNEW YORK (REUTERS) - Unseeded Canadian Vasek Pospisil pulled off another upset at the US Open when he knocked out Spain's eighth seed Roberto Bautista Agut 7-5 2-6 4-6 6-3 6-2 in the third round on Saturday (Sept 5).