Mark Wallner

Mark Wallner (born 20 July 1999) is a German tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 31 achieved on 3 August 2026. Wallner played college tennis at Temple University before transferring to Tennessee. Wallner made his ATP Tour main-draw debut at the 2024 BMW Open in Munich, where he partnered with Jakob Schnaitter in doubles. He also entered directly into the main-draw in 2024 Hamburg Open with Schnaitter. After qualifying for the main-draw, Wallner combined with Schnaitter to win his first ATP Tour doubles title at the 2026 BMW Open, defeating Théo Arribagé and Albano Olivetti in the final which went to a deciding champions tiebreak. Current through the 2026 Chengdu Open.