Osaka beats 6-3, 6-7 (4), 6-2 to advance to fourth roundJapanese player recovers from second-set wobbleThe 2018
US Open champion Naomi Osaka survived a third-round scare before grinding out a 6-3, 6-7 (4), 6-2 victory over Ukrainian teenager Marta Kostyuk to reach the last 16 of the US Open.
The Japanese fourth seed looked out of sorts in the second set tie-break but regrouped to secure the victory in the deciding set after two hours and 33 minutes against an 18-year-old who was making her debut at Flushing Meadows.