Serena Williams wins French Open opener over Ahn; Nadal wins, too

Serena Williams of the U.S. serves against Kristie Ahn of the U.S. in the first round match of the French Open tennis tournament at the Roland Garros stadium in Paris, France, Monday, Sept. 28, 2020. (AP Photo/Alessandra Tarantino)

PARIS — No matter how much success they’ve had over the years, and to this day, Serena Williams and Rafael Nadal both profess to deal with doubts.