Once compared to Jennifer Capriati by Chris Evert, the Czech beat compatriot Marketa Vondrousova in a tight three-setter.

"It's so disrespectful that the tournament has us out here until 3...4 o'clock in the morning, and we're not allowed to go and take a piss," Murray said after the fourth set of his Aussie all-nighter.

Two big cheers from the 18-year-old caused the No. 6 seed to complain—before the Greek turned things around in time to avoid a second-round upset.

Jessica Pegula, daughter of the NFL team's owners, put things in perspective after a horrifying scene in Cincinnati, while John Isner shared a link to Hamlin's charity—which has raised nearly $4 million since last night.

“This double whammy is serious but still fixable, and I’m hoping for a favorable outcome,” says the 18-time Grand Slam singles champion.