Rudolf Molleker

Rudolf Molleker (born 26 October 2000) is a German tennis player. Molleker achieved a career high ATP singles ranking of world No. 146 on 29 July 2019 and a doubles ranking of world No. 376 on 21 March 2022.

Personal information He was born in Sieverodonetsk in Ukraine to Roman and Tanja Molleker and moved to Oranienburg in Germany when he was three years old. He is of Russian–German descent.

He trained at Mouratoglou Tennis Academy in Sophia Antipolis (France) starting in 2018.

Career

2017: ATP debut Molleker made his ATP main draw debut at the German Open in Hamburg after defeating, in the qualifying rounds, Casper Ruud and Leonardo Mayer, who later won the tournament as a lucky loser.

2018: First Challenger title & ATP and top-10 wins Molleker won his first ATP Challenger Tour title as a wildcard at the Heilbronner Neckarcup, defeating Jiří Veselý in the final. He won his first match at ATP-level at the Stuttgart Open, defeating compatriot Jan-Lennard Struff in the first round. At the 2018 German Open in Hamburg, as a wildcard, he beat former world No. 3 David Ferrer in the first round.

2019: Grand Slam and top 150 debut

Molleker made his Grand Slam debut at the 2019 Australian Open, battling through three qualifying rounds before falling to world No. 16 Diego Schwartzman in four sets.

At the 2019 BMW Open he recorded his third ATP win over Marius Copil as a wildcard. He also entered the doubles event with Andre Begemann as an alternate pair. He defeated two-time Hamburg champion Leonardo Mayer to record his fourth ATP singles win.

2021–2025: Out of top 400 In 2021, he received a wildcard for the 2021 MercedesCup in Stuttgart, but lost to Marin Čilić. He received a wildcard in doubles at the 2021 Hamburg European Open partnering Daniel Altmaier. He received a wildcard for the main draw at the 2023 Hamburg European Open but lost to compatriot and wildcard Maximilian Marterer. Ranked No. 179, he also received a wildcard for the main draw at the 2024 BMW Open, and defeated qualifier Francesco Passaro for his fifth ATP win.

Singles performance timeline

Current through the 2025 ATP Tour.

ATP Challenger finals

Singles: 3 (2–1) Finals by surfaceHard (0–0)Clay (2–1)

ITF Futures/World Tennis Tour finals

Singles: 10 (5–5) Finals by surfaceHard (0–1)Clay (5–4)

Doubles: 2 (2–0) Finals by surfaceHard (0–0)Clay (2–0)

Junior Grand Slam finals

Doubles: 1 (1 runner-up) ResultYearTournamentSurfacePartnerOpponentScoreLoss 2018 Australian Open Hard Henri Squire Hugo Gaston Clément Tabur 2–6, 2–6