Carreno Busta, who hasn't dropped a set here, is the highest remaining seed in the bottom half of the draw. His quarterfinal opponent will be No. 29 Diego Schwartzman of Argentina, who upset No. 16 Lucas Pouille of France.
Schwartzman, a 5-foot-7 dynamo in a land of athletic giants, has won the hearts of fans here. His message that tennis isn't just for tall people and his tenacity in reaching his first Grand Slam quarterfinal have struck a chord with crowds, and he's loving it. "I am enjoying the people here. When I win the matches, they are really happy with me. Me, too, with them," he said. "I think we are enjoying together to be here in the quarterfinals."
In addition to friends in the stands, he will have a friend on the other side of the court when he faces Carreno Busta. Their styles are compatible, too.
"I think we are similar," Schwartzman said. "We try to be solid in the baseline, play every point, be focused on every point, try to run a lot on the court. I think it's going to be a tough match for both. We need to be at our 100 percent to play our best tennis."
Madison Keys earned the distinction of playing in the two latest-ending women's matches in the tournament's history. Her 2-6, 6-4, 6-1 victory over Russian Elena Vesnina ended at 1:45 a.m. Eastern time Sunday, three minutes short of the late-night mark she set in 2016 with a first-round victory that ended at 1:48 a.m. Eastern time.
Keys, the No. 15 seed, will face No. 4 Elina Svitolina in the final match Monday at Arthur Ashe Stadium.
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