Marin Cilic

At 18, Shapovalov's game, personality in US Open spotlight

So, Denis Shapovalov, do tell: It can't really be the case that 18-year-olds like yourself never get tired, right?

"No, it's true. We don't," the Canadian joked Friday after becoming the youngest man to reach the U.S. Open's fourth round since Michael Chang in 1989.

Shapovalov needed to go through three qualifying matches just to get into the main draw at Flushing Meadows, so he has played a half-dozen times in an 11-day span.

"It's been a long ride," said Shapovalov, who was born in Israel to Russian parents and moved when he was a baby to Canada. "It feels like I have been here a month already."

There will be a first-time Grand...