Yes, Coco Gauff is a Grand Slam champion. Yes, she’s been ranked No. 1 in doubles and No. 2 in singles. Yes, she’s already a big star who transcends her sport and was a flag bearer alongside LeBron James at the Paris Olympics... and has a signature shoe...and is featured on Wheaties boxes and...and...and ...

And yet, back in New York for Monday’s start of the US Open, which she won a year ago for her first major trophy—the first American teen to do so since Serena Williams in 1999—Gauff still occasionally might sound like someone who deals with impostor syndrome.