The Japanese, twice a US Open winner, eased into the third round and is looking for her best run at a grand slam for four years

Rolling report: Join Daniel Harris for updates from the second round in New York

The Japanese, twice a US Open winner, eased into the third round and is looking for her best run at a grand slam for four years

NEW YORK: Four-times major champion Naomi Osaka powered into the US Open fourth round on Saturday with a 6-0 4-6 6-3 win over 15th seed Daria Kasatkina to continue her best Grand…