Alexander Erler

Alexander Erler (; born 27 October 1997) is an Austrian professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of world No. 29 achieved on 13 April 2026 and a singles ranking of No. 322 on 4 October 2021.

Erler has won nine ATP Tour doubles titles, seven of them with compatriot Lucas Miedler.

Erler also earned ten doubles trophies on the ATP Challenger Tour, as well as multiple titles on the ITF Men's Tour.

Professional career

2015: ATP doubles debut Erler made his ATP main draw debut at the 2015 Generali Open Kitzbühel in the doubles draw, partnering Philipp Kohlschreiber.

2021: ATP singles debut and first match win, maiden doubles ATP title At the 2021 Generali Open Kitzbühel, Erler won his first ATP match as a wildcard defeating future world no. 1 Carlos Alcaraz who was then ranked No. 55. At the same tournament, he won the doubles title partnering Lucas Miedler.

2022: First ATP 500 doubles title, top 50 debut The Austrian team of Erler/Miedler clinched their second and biggest title on home soil at the ATP 500 2022 Erste Bank Open without dropping a set. As a result, he made his top 50 debut in the doubles rankings on 31 October 2022.

2023: Major and Masters debuts & first win, Second ATP 500 title, top 35 At the 2023 Australian Open the pair Erler/Miedler made their Grand Slam debut where they defeated tenth seeds Rohan Bopanna and Matthew Ebden. At the ATP 500 Mexican Open Miedler won his third title with compatriot Erler defeating en route top seeds Wesley Koolhof and Neal Skupski. Erler made his Masters debut with Miedler at the 2023 Miami Open.

At the 2023 Grand Prix Hassan II the pair Erler/Miedler reached the final defeating fifth seeds Maxime Cressy and Albano Olivetti. They lost in the final to Andrea Vavassori and Marcelo Demoliner. They won their fourth title at the 2023 BMW Open in Munich, Germany. At the 2023 Generali Open Kitzbühel, they won their fifth doubles title.

2024–2026: Four doubles titles Partnering Andreas Mies, Erler won the doubles title at the 2024 Generali Open in Kitzbühel, defeating Constantin Frantzen and Hendrik Jebens in the final.

In October 2024, he won back-to-back doubles titles partnering Lucas Miedler, claiming the European Open in Antwerp followed by the Vienna Open.

Playing alongside Robert Galloway, Erler won the 2025 Stockholm Open, defeating Vasil Kirkov and Bart Stevens in the final. They were also runners-up at the 2026 Auckland Open and 2026 Mexican Open.

Doubles performance timeline

Current through the 2026 Mexican Open.

ATP Tour finals

Doubles: 14 (9 titles, 5 runner ups) LegendGrand Slam (–)ATP 1000 (–)ATP 500 (3–2)ATP 250 (6–3)Finals by surfaceHard (5–2)Clay (4–3)Grass (–)Finals by settingOutdoor (5–5)Indoor (4–0)

ATP Challenger Tour finals

Doubles: 15 (10 titles, 5 runner-ups) LegendATP Challenger Tour (10–5)Finals by surfaceHard (6–4)Clay (4–1)

ITF Tour finals

Singles: 15 (7 titles, 8 runner-ups) LegendITF Futures/WTT (7–8)Finals by surfaceHard (1–5)Clay (6–3)

Doubles: 26 (18 titles, 8 runner-ups) LegendITF Futures/WTT (18–8)Finals by surfaceHard (14–4)Clay (3–3)Carpet (1–1)