American Francis Tiafoe defeated Rafael Nadal in the U.S.Open

Young players are beating greats like Nadal, Novak Djokovic and Roger Federer at Grand Slams.

Today the young American player Tiafoe U.S. In the Open, he defeated Rafael Nadal 6-4, 4-6, 6-4, 6-3.

This is something that happens in almost every Grand Slam. American young players are making a lot of progress.

On a beautiful afternoon at the Billie Jean King National Tennis Center, Francis Tiafoe defeated Rafael Nadal

6-4, 4-6, 6-4, 6-3 in a thrilling match. Francis Tiafoe was on his knees holding Nadal's head as he hit the final backhand into the net.

A single American has not won a singles title in the last 19 years at the Grand Slam. But with this victory,

the young American players are going to win the Grand Slam singles title. Tiafoe and his fellow 20-year-old players have become

solid members of the top 30 this year, but have yet to reach the next level of play.