Naomi Osaka finds out Carlos Alcaraz shaved his head after his brother made a mistake when cutting his hair. (1:14)Open Extended ReactionsNEW YORK -- Everything came up roses for Naomi Osaka in her US Open first-round match. "It was really elaborate, because the crystals are really hard to do on a performance outfit," Osaka said. I'm glad that my first match was a night match, because this outfit was really fun to play. "I did always know I was going to take the hair off, because it is really heavy," Osaka said.