"He's been my biggest role model the last 10 years, playing tennis, watching tennis. He's been a really great guy, a great leader to us all. Nice and kind. Really generous to the up-and-comers," Querrey said after beating Ruben Ramirez Hidalgo of Spain 6-3, 6-4, 6-3 to reach the third round. "For me, for ... the 18-year-olds now, he's just been an unbelievable champion, a Hall of Famer."