Japan's Naomi Osaka breezed past Jennifer Brady 6-4, 6-4 on Monday to reach the second round of the Charleston Open, the largest women's-only tennis tournament in North America.Osaka, who moved up one place to a career-high 21st in the latest WTA world rankings, is seeded 10th in the green clay event that runs March 31-April 8 at the Family Circle Tennis Center in Daniel Island, Charleston.Two weeks after claiming her first WTA title at the hard-court BNP Paribas Open in Indian Wells, Osaka, who has struggled on clay, said she was relieved to have won on Monday.The Charleston Open was the o…READ FULL ARTICLE