NEW YORK — Frances Tiafoe's vision was blurry from the tears. He was thrilled — overwhelmed, even — when the last point was over and it hit him that, yes, he had ended Rafael Nadal's 22-match Grand Slam winning streak Monday and reached the U.S. Open quarterfinals for the first time.
"I felt like the world stopped," Tiafoe said. "I couldn't hear anything for a minute."
