Japan's former world No. 1 Naomi Osaka on Saturday said her overwhelming feeling was gratitude after reaching the U.S. Open round of 16 and making her deepest run at a major since returning from maternity leave.Osaka overcame Australian 15th seed Daria Kasatkina 6-0, 4-6, 6-3 to secure her first fourth-round appearance at a Grand Slam since the 2021 Australian Open, which she went on to win."I think the first feeling that I feel right now is that I'm very tired," the four-time major winner said in her post-match press conference."The second one is that I'm just very grateful to be here agai…READ FULL ARTICLE