Japan’s Naomi Osaka reached the semifinals of the Miami Open for the first time in her career when she beat ninth seed and home favorite Danielle Collins 6-2, 6-1 in a quarterfinal clash on Tuesday. Osaka made just three unforced errors against the 11th-ranked American who has been dealing with a neck injury and needed a medical timeout during the match. The Japanese fired 13 aces to roll through her service games under the Hard Rock Stadium lights. “I’m glad I was able to get through it quickly. I focused on trying to get a lot of really good returns,” Osaka said. “This is actually also my fi…