An early wakeup call couldn't knock Cuba off its game and neither could China.

Cuba rebounded from a late-night loss to Japan less than 24 hours earlier by scoring four runs in the fourth inning on the way to a 6-0 win over China in Pool B of the 2017 World Baseball Classic on Wednesday at Tokyo Dome.

"We didn't have enough time for sleep, shortstop Alexander Ayala said. "But when we left Cuba, not only physically, but mentally, we were ready to face tough situations."