Andy Murray and Dan Evans joined Kyle Edmund in the third round of the US Open, making it the first time since 1968 that three British men have gone that far into the tournament.
Second seed Murray won 6-4 6-1 6-4 under the new roof on Arthur Ashe Stadium as a storm hit New York.
Evans beat German Alexander Zverev 6-4 6-4 5-7 6-2 to reach the third round for the first time in three years.
Murray now faces Italian Paolo Lorenzi while Evans faces Swiss Stan Wawrinka.
Edmund, 21, reached the third round with a straight-sets win on Wednesday.
Paul Hutchins, Roger Taylor and Peter Curtis were the last three British players to make the third round of the US Open in the same year, in 1968.
Sixth seed Kei Nishikori of Japan beat Russia’s Karen Khachanov 6-4 4-6 6-4 6-3 and Austrian eighth seed Dominic Thiem saw off Ricardas Berankis of Lithuania 6-4 6-3 6-2, reports the BBC.
In the women’s draw, Naomi Broady was beaten 7-6 (11-9) 6-3 by fourth seed Agnieszka Radwanska of Poland.
A flurry of resistance from Granollers at the end of the first set, and a stadium reverberating to the noise of spectators and rain, could not derail Murray.
“It’s tough, you couldn’t really hear the ball, which makes it tricky, but we’re lucky to play under the roof because otherwise there’d be no tennis right now,” said Murray.
The Scot, 29, went through in two hours and 22 minutes to take his record to 24 wins and one defeat since the beginning of Queen’s Club in June.
There were 34 winners but a first-serve percentage of just 43% and 28 unforced errors will give him something to work on before he returns to action on Saturday.