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INDIAN WELLS, CA - MARCH 15: Karen Khachanov (RUS) hits a forehand during the BNP Paribas Open on March 15, 2019 at Indian Wells Tennis Garden in Indian Wells, CA. (Photo by George Walker/Icon Sportswire via Getty Images)

INDIAN WELLS, CA - MARCH 15: Karen Khachanov (RUS) hits a forehand during the BNP Paribas Open on March 15, 2019 at Indian Wells Tennis Garden in Indian Wells, CA. (Photo by George Walker/Icon Sportswire via Getty Images)