COLLEGE PARK - Francis Tiafoe may have lost in the round of 32 at the Junior French Open, but he made the experience worthwhile. After getting upset as the number one seed, Tiafoe, 16, had the chance to study and practice with now 9-time French Open champion Rafael Nadal during last week’s tournament. Tiafoe said the experience was unforgettable. “I never thought that I’d be playing in the French Open,” Tiafoe said. “I mean, going on the court for the first round. It was a weird feeling.