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LONDON — 2021 U.S. Open champion Emma Raducanu will no longer work with Sebastian Sachs, who had been her fifth coach in the past two years. Raducanu announced the split via a Twitter post on Thursday. He hasn't played since April and announced last month she would miss the French Open and Wimbledon because she needed what she called "minor" procedures on both hands and an ankle. Raducanu said then she expected to be sidelined for a few months. Raducanu became one of the stars of tennis two years ago, when she made a surprising run to the fourth round at Wimbledon then won the U.S. Open at age 18 to become the first qualifier to claim a Grand Slam singles title.
