Karen Khachanov, Russian tennis player

Karen Abgarovich Khachanov is a Russian professional tennis player. He has been ranked as high as world No. 8 in men's singles by the Association of Tennis Professionals (ATP), achieved in July 2019. Khachanov has won seven ATP Tour singles titles, including a Masters 1000 title at the 2018 Paris Masters. He also claimed an Olympic silver medal at the 2020 Tokyo Olympics, and has reached two major semifinals at the 2022 US Open and 2023 Australian Open. In doubles, Khachanov has won one title at the 2023 Madrid Open partnering Andrey Rublev, and has a career-high doubles ranking of No. 53, achieved in January 2024.

May 21 is the 141st day of the year in the Gregorian calendar; 224 days remain until the end of the year.