2019-6-24 · Dominic Thiem (German pronunciation: [ˈdɔmɪnɪk ˈtiːm]; born 3 September 1993) is an Austrian professional tennis player. He currently has a career-high ranking of World No. 4 by the Association of Tennis Professionals (ATP), which he first achieved on 6 November 2017. He is the second highest-ranked Austrian player in history, behind Thomas Muster (#1, 1996).