New Delhi, Sept. 7 -- President Donald Trump is set to attend the U.S. Open men's final on Sunday, watching the match from Rolex's suite at Arthur Ashe Stadium, according to a person familiar with the arrangements.

It will mark Trump's first visit to the New York Grand Slam since 2015, prior to his initial presidential campaign. The individual, who spoke on condition of anonymity as the plans have not been officially announced, confirmed the Swiss watchmaker is hosting him for the event.

Accepting use of Rolex's suite is noteworthy because it comes weeks after the Trump administration imposed a 39% tariff on Swiss products. That's more than 2 1/2 times higher than the one on European Union goods exported to the U.S. and nearly four time...