Emma Raducanu came down to earth in her first tournament since her surprising U.S. Open victory, losing in straight sets to Aliaksandra Sasnovich at the BNP Paribas Open.

Shelby Rogers beat Anhelina Kalinina 7-6 (2), 6-2 and Sloane Stephens outlasted Heather Watson 6-7 (5), 7-5, 6-1 in opening matches at the BNP Paribas Open.

US Open Tennis Sloane Stephens, of the United States, right, hugs Madison Keys, of the United States, after winning their first-round match of the US Open tennis champion...