Yannick Hanfmann (born 13 November 1991) is a German professional tennis player.
He is best known for his very powerful serves up to 230 km/h (143 mph), and very powerful groundstrokes.
Hanfmann has a career high ATP singles ranking of world No.
99, achieved in July 2018.
He is hearing impaired since birth.He played college tennis at the University of Southern California.