Top seed and world No. 1 Naomi Osaka kicked off her women's singles title defense at the U.S. Open by defeating Russia's Anna Blinkova in her first-round match on Tuesday.Osaka got off to a shaky start at Arthur Ashe Stadium but wrapped up her first career match against the world No. 84 Blinkova 6-4, 6-7(5), 6-2 to reach the second round of the final major of the year."I don't think I've ever been so nervous in my life," said Osaka, who dropped her first three games. "I don't think I ever really found my rhythm, but I just fought as hard as I can."She will next face No. 53 Magda Linette of …READ FULL ARTICLE