Lucas Miedler (; born 21 June 1996) is an Austrian professional tennis player. He has a career-high ATP doubles ranking of world No. 24 achieved 22 September 2025. He has a career high singles ranking of No. 201 achieved on 15 October 2018.
He has won nine doubles titles on the ATP Tour with compatriot Alexander Erler, at the home tournaments in 2021 and in 2023 Kitzbühel, in 2022 and in 2024 Vienna, as well as in Acapulco, Munich and Antwerp.
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.
At the 2023 Grand Prix Hassan II the pair Miedler/Erler 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.
Grand Slam tournaments | |||||||||||||
Australian Open | A | A | A | A | A | A | A | A | 2R | 1R | 2R | 0 / 3 | 2–3 |
French Open | A | A | A | A | A | A | A | A | 1R | 2R | 0 / 2 | 1–2 | |
Wimbledon | A | A | A | A | A | NH | A | A | 2R | 1R | 0 / 2 | 1–2 | |
US Open | A | A | A | A | A | A | A | A | 1R | A | 0 / 1 | 0–1 | |
Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 2–4 | 1–3 | 1–1 | 0 / 8 | 4–8 |
National representation | |||||||||||||
Davis Cup | A | A | A | A | A | A | A | G1 | G1 | G1 | Q1 | 0 / 0 | 6–1 |
ATP Masters 1000 | |||||||||||||
Indian Wells Open | A | A | A | A | A | NH | A | A | 2R | A | A | 0 / 1 | 1–0 |
Miami Open | A | A | A | A | A | NH | A | A | 1R | 1R | A | 0 / 2 | 0–2 |
Madrid Open | A | A | A | A | A | NH | A | A | 1R | A | 0 / 1 | 0–1 | |
Italian Open | A | A | A | A | A | A | A | A | 1R | A | 0 / 1 | 0–1 | |
Shanghai Masters | A | A | A | A | A | not held | 2R | A | 0 / 1 | 1–1 | |||
Paris Masters | A | A | A | A | A | A | A | A | 2R | A | 0 / 1 | 1–1 | |
Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 3–5 | 0–1 | 0–0 | 0 / 7 | 3–6 |
Career statistics | |||||||||||||
Tournaments | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 6 | 31 | 20 | 7 | 71 | |
Titles | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 2 | 0 | 7 | |
Finals | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 0 | 10 | |
Overall win–loss | 0–0 | 0–1 | 0–1 | 0–1 | 0–1 | 0–1 | 4–1 | 7–6 | 34–27 | 24–18 | 4–7 | 73–64 | |
Year-end ranking | 219 | 242 | 265 | 305 | 229 | 218 | 122 | 56 | 40 | 47 |
{class=wikitable style=font-size:90% !Legend |
Grand Slam tournaments (0–0) |
ATP Tour Masters 1000 (0–0) |
ATP Tour 500 Series (3–1) |
ATP Tour 250 Series (6–3) |
Hard (5–1) |
Clay (4–3) |
Grass (0–0) |
Outdoors (6–4) |
Indoors (3–0) |
Win | 1–0 | Austrian Open Kitzbühel, Austria | 250 Series | Clay | Alexander Erler | Roman Jebavý Matwé Middelkoop | 7–5, 7–6(7–5) | |
Win | 2–0 | Vienna Open, Austria | 500 Series | Hard (i) | Alexander Erler | Santiago González Andrés Molteni6–3, 7–6(7–1) | ||
Win | 3–0 | Mexican Open, Mexico | 500 Series | Hard | Alexander Erler | Nathaniel Lammons Jackson Withrow | 7–6(11–9), 7–6(7–3) | |
Loss | 3–1 | Grand Prix Hassan II, Morocco | 250 Series | Clay | Alexander Erler | Marcelo Demoliner Andrea Vavassori | 4–6, 6–3, 10–12 | |
Win | 4–1 | Bavarian Championships, Germany | 250 Series | Clay | Alexander Erler | Kevin Krawietz Tim Pütz | 6–3, 6–4 | |
Win | 5–1 | Austrian Open Kitzbühel, Austria | 250 Series | Clay | Alexander Erler | Gonzalo Escobar Aleksandr Nedovyesov | 6–4, 6–4 | |
Loss | 5–2 | Rio Open, Brazil | 500 Series | Clay | Alexander Erler | Nicolás Barrientos Rafael Matos | 4–6, 3–6 | |
Loss | 5–3 | Grand Prix Hassan II, Morocco | 250 Series | Clay | Alexander Erler | Harri Heliövaara Henry Patten | 6–3, 4–6, 4–10 | |
Win | 6–3 | European Open, Belgium | 250 Series | Hard (i) | Alexander Erler | Robert Galloway Aleksandr Nedovyesov | 6–4, 1–6, 10–8 | |
Win | 7–3 | Vienna Open, Austria | 500 Series | Hard (i) | Alexander Erler | Neal Skupski Michael Venus | 4–6, 6–3, 10–1 | |
Win | 8–3 | Swiss Open Gstaad, Switzerland | 250 Series | Clay | Francisco Cabral | Hendrik Jebens Albano Olivetti | 6–7(4–7), 7–6(7–4), 10–3 | |
Loss | 8–4 | Winston-Salem Open, United States | 250 Series | Hard | Francisco Cabral | Rafael Matos Marcelo Melo | 6–4, 4–6, 8–10 | |
Win | 9–4 | Hangzhou Open, China | ATP 250 | Hard | Francisco Cabral | Nicolás Barrientos David Pel | 6–4, 6–4 |
Loss | 0–1 | Winnipeg, Canada | Hard | Jason Kubler | 1–6, 1–6 |
Hard (5–3) |
Clay (5–6) |
Loss | 0–1 | Fano, Italy | Clay | Mark Vervoort | Riccardo Ghedin Alessandro Motti | 4–6, 4–6 | |
Loss | 0–2 | Shymkent, Kazakhstan | Clay | Sebastian Ofner | Lorenzo Giustino Gonçalo Oliveira | 2–6, 6–7(4–7) | |
Loss | 0–3 | Portorož, Slovenia | Hard | Nikola Čačić | Gerard Granollers Pujol Lukáš Rosol | 5–7, 3–6 | |
Win | 1–3 | León, Mexico | Hard | Sebastian Ofner | Matt Reid John-Patrick Smith | 4–6, 6–4, 10–6 | |
Loss | 1–4 | Portorož, Slovenia | Hard | Sam Weissborn | Carlos Gómez-Herrera Teymuraz Gabashvili | 3–6, 2–6 | |
Loss | 1–5 | Sibiu Open, Romania | Clay | Alexander Erler | James Cerretani Luca Margaroli | 3–6, 1-6 | |
Loss | 1–6 | Ortisei, Italy | Hard (i) | Alexander Erler | Antonio Šančić Sam Weissborn | 6-7(8-10), 6-4, 8-10 | |
Win | 2–6 | Tali Open, Finland | Hard (i) | Alexander Erler | Harri Heliövaara Jean-Julien Rojer | 6–3, 7–6(7–2) | |
Win | 3–6 | Forlì, Italy | Hard (i) | Alexander Erler | Marco Bortolotti Sergio Martos Gornés | 6-4, 6-2 | |
Win | 4–6 | Ostrava, Czech Republic | Clay | Alexander Erler | Hunter Reese Sem Verbeek | 7–6(7–5), 7–5 | |
Loss | 4–7 | Tunis Open, Tunisia | Clay | Alexander Erler | Nicolás Barrientos Miguel Ángel Reyes-Varela | 7-6(7-3), 3-6, 9-11 | |
Loss | 4–8 | Salzburg Open, Austria | Clay | Alexander Erler | Nathaniel Lammons Jackson Withrow | 5-7, 7-5, 9-11 | |
Win | 5–8 | Tampere Open, Finland | Clay | Alexander Erler | Karol Drzewiecki Patrik Niklas-Salminen | 7–6(7–3), 6–1 | |
Win | 6–8 | Como, Italy | Clay | Alexander Erler | Dustin Brown Julian Lenz | 6–1, 7–6(7–3) | |
Win | 7–8 | Tulln an der Donau, Austria | Clay | Alexander Erler | Zdeněk Kolář Denys Molchanov | 6–3, 6–4 | |
Loss | 7–9 | Sibiu Open, Romania | Clay | Alexander Erler | Ivan Sabanov Matej Sabanov | 6–3, 5–7, 4–10 | |
Win | 8–9 | Sardegna Open, Italy | Clay | Alexander Erler | Máximo González Andrés Molteni | 7–6(8–6), 6–3 | |
Win | 9–9 | Shenzhen, China | Hard | Alexander Erler | Piotr Matuszewski Matthew Romios | 6–3, 6–4 | |
Win | 10–9 | Lyon, France | Hard (i) | Luke Johnson | Sergio Martos Gornés David Pichler | 6–1, 6–2 |
Loss | 0–1 | Turkey F17, Antalya | Hard | Peter Heller | 3–6, 6–1, 3–6 | |
Loss | 0–2 | Turkey F18, Antalya | Hard | Riccardo Bellotti | 3–6, 4–6 | |
Loss | 0–3 | Slovenia F1, Maribor | Clay | Kirill Dmitriev | 4–6, 1–6 | |
Loss | 0–4 | Austria F9, Pörtschach | Clay | Bastian Trinker | 4–6, 3–6 | |
Win | 1–4 | South Africa F2, Stellenbosch | Hard | Lloyd Harris | 7–6(7–4), 6–1 | |
Loss | 1–5 | South Africa F3, Stellenbosch | Hard | Lloyd Harris | 2–6, 1–6 | |
Loss | 1–6 | Norway F1, Oslo | Hard (i) | Lorenzo Frigerio | 6–4, 3–6, 3–6 | |
Win | 2–6 | Norway F2, Oslo | Hard (i) | Gianluigi Quinzi | 6–2, 6–4 | |
Win | 3–6 | Cyprus F1, Nicosia | Hard | David Poljak | 6–3, 6–3 | |
Loss | 3–7 | Cyprus F2, Limassol | Hard | Alexandre Müller | 2–6, 2–6 | |
Loss | 3–8 | Cyprus F3, Larnaca | Hard | Maximilian Neuchrist | 6–7(3–7), 3–6 | |
Loss | 3–9 | Portugal F2, Faro | Hard | Yannick Mertens | 4–6, 2–6 | |
Win | 4–9 | Qatar F3, Doha | Hard | Jonas Merckx | 6–3, 6–3 | |
Loss | 4–10 | Tunisia F24, Hammamet | Clay | Sergio Gutiérrez Ferrol | 5–7, 4–6 | |
Win | 5–10 | Egypt F6, Sharm El Sheikh | Hard | Lloyd Harris | 6–3, 0–6, 6–2 | |
Win | 6–10 | Egypt F8, Sharm El Sheikh | Hard | Karim-Mohamed Maamoun | 6–3, 6–4 | |
Win | 7–10 | Egypt F11, Sharm El Sheikh | Hard | Teymuraz Gabashvili | 6–3, 7–5 | |
Loss | 7–11 | Egypt F12, Sharm El Sheikh | Hard | Teymuraz Gabashvili | 2–6, 3–6 | |
Loss | 7–12 | Egypt F13, Sharm El Sheikh | Hard | Andrés Artuñedo | 6–0, 6–7(7–9), 3–6 | |
Win | 8–12 | Spain F16, Palma del Río | Hard | Viktor Durasovic | 6–2, 7–6(8–6) | |
Win | 9–12 | M15 Anif, Austria | Clay | Peter Heller | 6–1, 7–5 | |
Win | 10–12 | M15 Sharm El Sheikh, Egypt | Hard | Makoto Ochi | 6–3, 7–6(7–3) | |
Loss | 10–13 | M25 Loule, Portugal | Hard | Fábián Marozsán | 7–6(8–6), 1–6, 3–6 |
Win | 1–0 | Turkey F42, Antalya | Hard | Sam Weissborn | Antoine Bellier Adrian Bodmer | 7–5, 6–1 | |
Win | 2–0 | Turkey F3, Antalya | Hard | Maximilian Neuchrist | Li Zhe Ruan Roelofse | 6–4, 6–4 | |
Loss | 2–1 | Egypt F6, Sharm El Sheikh | Hard | Maximilian Neuchrist | Cem İlkel Anıl Yüksel | 7–6(7–1), 3–6, 7–10 | |
Win | 3–1 | Egypt F7, Sharm El Sheikh | Hard | Maximilian Neuchrist | Dmytro Badanov Dmitry Surchenko | 6–1, 6–2 | |
Loss | 3–2 | Egypt F13, Sharm El Sheikh | Hard | Markos Kalovelonis | Martin Fischer Jannis Liniger | 4–6, 2–6 | |
Win | 4–2 | Turkey F17, Antalya | Hard | Maximilian Neuchrist | Antoine Bellier Hugo Nys | 4–6, 6–3, 10–7 | |
Win | 5–2 | Turkey F18, Antalya | Hard | Maximilian Neuchrist | Benjamin Bonzi Fabien Reboul | 6–2, 6–3 | |
Loss | 5–3 | Slovenia F2, Ljubljana | Clay | Maximilian Neuchrist | Danylo Kalenichenko Gonçalo Oliveira | 5–7, 6–7 | |
Win | 6–3 | Czech Republic F5, Ústí nad Orlicí | Clay | Maximilian Neuchrist | Paweł Ciaś Adam Majchrowicz | 7–6(7–3), 6–4 | |
Win | 7–3 | Austria F4, Kramsach | Clay | Maximilian Neuchrist | Federico Coria Cristóbal Saavedra Corvalán | 4–6, 6–2, 10–8 | |
Win | 8–3 | Austria F5, Bad Waltersdorf | Clay | Tom Kočevar-Dešman | Philip Lang Sebastian Ofner | 6–2, 6–2 | |
Win | 9–3 | Austria F7, Innsbruck | Clay | Pascal Brunner | Lukas Jastraunig Philip Lang | 6–2, 6–4 | |
Win | 10–3 | Austria F8, Vogau | Clay | Luca Margaroli | Pascal Brunner Kirill Dmitriev | 7–6(7–4), 5–7, 10–5 | |
Win | 11–3 | Austria F9, Pörtschach | Clay | Kirill Dmitriev | Kevin Krawietz Luca Margaroli | 6–2, 7–5 | |
Win | 12–3 | Austria F10, St. Pölten | Clay | Sam Weissborn | Pascal Brunner Dennis Novak | 6–3, 6–3 | |
Loss | 12–4 | Turkey F40, Antalya | Hard | Pascal Brunner | Enrico Dalla Valle Julian Ocleppo | 3–6, 5–7 | |
Win | 13–4 | South Africa F1, Stellenbosch | Hard | Pascal Brunner | Chris Haggard Tyler Hochwalt | 6–3, 6–2 | |
Win | 14–4 | South Africa F2, Stellenbosch | Hard | Pascal Brunner | Peter Goldsteiner Quentin Robert | 6–4, 6–2 | |
Loss | 14–5 | South Africa F3, Stellenbosch | Hard | Pascal Brunner | Fabio Mercuri Luca Pancaldi | 4–6, 6–4, 8–10 | |
Win | 15–5 | Israel F6, Ramat HaSharon | Hard | Gianluigi Quinzi | Aleksandre Metreveli Volodymyr Uzhylovskyi | 6–1, 4–6, 10–5 | |
Win | 16–5 | Hungary F1, Szeged | Clay | Gianluigi Quinzi | Aljaž Radinski Tomislav Ternar | 7–6(7–5), 6–2 | |
Win | 17–5 | Bosnia & Herzegovina F2, Brčko | Clay | David Pichler | Frank Dancevic Nebojša Perić | 6–2, 4–6, 10–6 | |
Win | 18–5 | Austria F8, St. Pölten | Clay | Lenny Hampel | Damon Gooch Gregor Ramskogler | 6–3, 6–3 | |
Win | 19–5 | Hungary F5, Székesfehérvár | Clay | Pascal Brunner | Gábor Borsos Ádám Kellner | 6–3, 3–6, 10–1 | |
Win | 20–5 | Croatia F8, Solin | Clay | Pascal Brunner | Filipp Kekercheni David Pichler | 6–2, 7–6(11–9) | |
Win | 21–5 | Croatia F9, Bol | Clay | Pascal Brunner | Nik Razboršek Nino Serdarušić | 6–2, 6–2 | |
Win | 22–5 | Norway F1, Oslo | Hard (i) | Viktor Durasovic | David Norfeldt Robin Thour | 6–1, 6–1 | |
Loss | 22–6 | Norway F3, Oslo | Hard (i) | Gianluigi Quinzi | Martin Beran Filip Horanský | 3–6, 6–2, 4–10 | |
Loss | 22–7 | Cyprus F1, Nicosia | Hard | Pascal Brunner | Fredrik Ask Omar Salman | 6–4, 5–7, 8–10 | |
Win | 23–7 | Cyprus F2, Limassol | Hard | Pascal Brunner | Oliver Hudson Keelan Oakley | 6–4, 6–2 | |
Win | 24–7 | Cyprus F3, Larnaca | Hard | Maximilian Neuchrist | Markos Kalovelonis Alexandre Müller | 6–3, 1–6, 10–5 | |
Loss | 24–8 | Portugal F1, Vale do Lobo | Hard | Viktor Durasovic | Erik Crepaldi Gonçalo Oliveira | 6–1, 2–6, 5–10 | |
Win | 25–8 | Portugal F2, Faro | Hard | James Marsalek | Antoine Bellier Marat Deviatiarov | 5–7, 6–1, 10–6 | |
Loss | 25–9 | Qatar F2, Doha | Hard | Daniel Altmaier | Markus Eriksson Milos Sekulic | 5–7, 6–3, 7–10 | |
Win | 26–9 | Tunisia F23, Hammamet | Clay | Maximilian Neuchrist | Florian Lakat Arthur Rinderknech | 7–6(7–2), 5–7, 14–12 | |
Loss | 26–10 | Egypt F7, Sharm El Sheikh | Hard | Clement Geens | Christopher Díaz Figueroa Wilfredo González | 4–6, 6–1, 8–10 | |
Win | 27–10 | Egypt F10, Sharm El Sheikh | Hard | Vladyslav Manafov | Petr Hájek Igor Marcondes | 6–0, 6–2 | |
Win | 28–10 | Egypt F11, Sharm El Sheikh | Hard | Peter Kobelt | Igor Marcondes Vladyslav Orlov | 7–6(7–5), 6–4 | |
Win | 29–10 | Egypt F12, Sharm El Sheikh | Hard | Teymuraz Gabashvili | Marat Deviatiarov Vladyslav Manafov | 6–4, 6–0 | |
Loss | 29–11 | Egypt F13, Sharm El Sheikh | Hard | Peter Goldsteiner | Tom Jomby Mick Lescure | 4–6, 4–6 | |
Loss | 29–12 | M15 Anif, Austria | Clay | Neil Oberleitner | Fabian Fallert Peter Heller | 6–7(3–7), 7-5, 9-11 | |
Loss | 29–13 | M25 Prague, Czech Republic | Clay | Jan Zielinski | Sebastián Báez Pedro Cachin | 6–7(4–7), 1-6 | |
Win | 30–13 | M15 Heraklion, Greece | Hard | Neil Oberleitner | Gijs Brouwer Mick Veldheer | 6–4, 6–2 | |
Loss | 30–14 | M15 Heraklion, Greece | Hard | Neil Oberleitner | Timo Stodder Robert Strombachs | 4–6, 4–6 |
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