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.

Career Wallner played college tennis at Temple University before transferring to Tennessee.

2024-2026: ATP debut, first title 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.

Doubles performance timeline

Current through the 2026 Winston-Salem Open.

ATP Tour finals Doubles: 4 (1 title, 3 runner-ups) LegendGrand Slam (–)ATP 1000 (–)ATP 500 (1–0)ATP 250 (0–3)Finals by surfaceHard (0–1)Clay (1–2)Grass (–)

ATP Challenger finals

Doubles: 14 (6 titles, 8 runner-ups) Finals by surfaceHard (2–2)Clay (4–6)

ITF World Tennis Tour finals

Doubles: 11 (7–4)