Angelique Kerber Pictures
INDIAN WELLS, CALIFORNIA - MARCH 14: Angelique Kerber of Germany covers her face with a towel during a changeover against Venus Williams of the United States during their women's singles quarterfinal match at the BNP Paribas Open at the Indian Wells Tennis Garden on March 14, 2019 in Indian Wells, California. (Photo by Sean M. Haffey/Getty Images)