Karol Drzewiecki (; born 1 November 1995) is a Polish professional tennis player who specializes in doubles. He has a career-high ATP singles ranking of No. 820 achieved on 3 December 2018 and a doubles ranking of world No. 74 on 8 September 2025. Drzewiecki has won 12 ATP Challenger doubles titles.

ATP Challenger and ITF Tour finals Singles: 1 (1–0) LegendATP Challenger (0–0)ITF Futures (1–0)Finals by surfaceHard (1–0)Clay (0–0)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Czech Republic F9, Valašské MeziříčíFuturesHard Jonáš Forejtek6–3, 6–4

Doubles: 62 (27–35) LegendATP Challenger (16–25)ITF Futures (11–10)Finals by surfaceHard (11–13)Clay (13–21)Carpet (3–1)

ResultW–L Date Category Tournament Surface Partner Opponents Score Win1–0 Mar 2015 Futures Egypt F9, Sharm El Sheikh Hard Maciej Smoła Íñigo Cervantes Mark Vervoort 6–3, 4–6, [10–4]Loss1–1 Jun 2015 Futures Georgia F5, Pantiani Clay Jan Zieliński Marco Bortolotti Francesco Moncagatto 3–6, 2–6 Win2–1 Aug 2015 Futures Poland F2, Bydgoszcz Clay Maciej Smoła Eduardo Dischinger Bruno Sant'Anna 7–6(7–4), 5–7, [10–8] Win3–1 Sep 2015 Futures Poland F5, Wrocław Hard Maciej Smoła Tim Kopinski Konrad Zieba 6–2, 6–7(3–7), [10–5]Loss3–2 Oct 2015 Futures Egypt F34, Sharm El Sheikh Hard Maciej Smoła Scott Clayton Jonny O'mara 6–7(8–10), 1–6Loss3–3 Nov 2015 Futures Egypt F41, Sharm El Sheikh Hard Maciej Smoła Vladyslav Manafov George Tsivadze 2–6, 3–6 Win4–3 Nov 2015 Futures Egypt F42, Sharm El Sheikh Hard Maciej Smoła Kamil Gajewski Mikołaj Jędruszczak 7–5, 6–1 Win5–3 Apr 2016 Futures Greece F5, Heraklion Hard Bruno Sant'Anna Vladyslav Manafov Bradley Mousley 7–6(7–3), 2–6, [10–7]Loss5–4 Oct 2016 Futures Nigeria F6, Lagos Hard Maciej Smoła Alejandro Davidovich Fokina Alexis Klegou 4–6, 1–6Loss5–5 Dec 2016 Futures Indonesia F6, Jakarta Hard Maciej Smoła Justin Barki Christopher Rungkat 4–6, 4–6Loss5–6 Jul 2017 Futures Poland F3, Mrągowo Clay Maciej Smoła Antonio Massara David Poljak 2–6, 4–6Loss5–7 Aug 2017 Futures Poland F9, Bydgoszcz Clay Maciej Smoła Michał Dembek Hubert Hurkacz 2–6, 7–6(11–9), [6–10] Win6–7 Nov 2017 Futures Czech Republic F8, Opava Carpet Maciej Smoła Mateusz Kowalczyk Szymon Walków 7–6(7–4),6–7(4–7), [10–8] Win7–7 Nov 2017 Futures Czech Republic F10, Říčany Hard Szymon Walków Matěj Vocel Michael Vrbenský 3–6, 6–2, [10–8]Loss7–8 Nov 2017 Futures Egypt F36, Cairo Hard Szymon Walków Jordan Correia Mario Vilella Martinez 6–7(11–13), 6–7(4–7) Win8–8 Aug 2018 Futures Poland F7, Bydgoszcz Clay Mateusz Kowalczyk Michał Mikuła Yann Wojcik 7–6(7–3), 6–4Loss8–9 Aug 2018 Futures Poland F8, Poznań Clay Mateusz Kowalczyk Tomasz Bednarek Szymon Walków 4–6, 3–6 Win9–9 Sep 2018 Challenger Szczecin, Poland Clay Filip Polášek Guido Andreozzi Guillermo Durán 6–3, 6–4Loss9–10 Oct 2018 Futures Czech Republic F8, Opava Carpet Szymon Walków Vít Kopřiva Jaroslav Pospíšil 6–7(5–7), 4–6 Win10–10 Nov 2018 Futures Czech Republic F9, Valašské Meziříčí Hard Petr Nouza Niels Lootsma Glenn Smits 6–2, 6–1 Win11–10 Nov 2018 Futures Czech Republic F10, Milovice Hard Szymon Walków Dominik Langmajer Daniel Lustig 5–7, 7–6(9–7), [15–13] Win12–10 Nov 2018 Challenger Andria, Italy Carpet Szymon Walków Marc-Andrea Hüsler David Pel 7–6(12–10), 2–6, [11–9] Win13–10 Jan 2019 World Tennis Tour M25 Nussloch, Germany Carpet Szymon Walków Marek Gengel Danylo Kalenichenko 7–5, 6–3Loss13–11 Jul 2019 Challenger Sopot, Poland Clay Mateusz Kowalczyk Andre Begemann Florin Mergea 1–6, 6–3, [8–10]Loss13–12 Sep 2019 Challenger Mallorca, Spain Hard Szymon Walków Sander Arends David Pel 5–7, 4–6Loss13–13 Sep 2019 Challenger Nur-Sultan, Kazakhstan Hard (i) Szymon Walków Harri Heliövaara Illya Marchenko 4–6, 4–6 Win14–13 Mar 2020 Challenger Monterrey, Mexico Hard Gonçalo Oliveira Orlando Luz Rafael Matos 6–7(5–7), 6–4, [11–9]Loss14–14 Aug 2020 Challenger Ostrava, Czech Republic Clay Szymon Walków Artem Sitak Igor Zelenay 5–7, 4–6Loss14–15 May 2021 Challenger Biella, Italy Clay Sergio Martos Gornés Evan King Julian Lenz 6–3, 3–6, [9–11]Loss14–16 Jul 2021 Challenger Poznań, Poland Clay Aleksandar Vukic Zdeněk Kolář Jiří Lehečka 4–6, 6–3, [5–10] Win15–16 Sep 2021 Challenger Mallorca, Spain Hard Sergio Martos Gornés Fernando Romboli Jan Zieliński 6–4, 4–6, [10–3]Loss15–17 Feb 2022 Challenger Tampere, Finland Hard (i) Kacper Żuk Albano Olivetti David Vega Hernández walkoverLoss15–18 Jul 2022 Challenger Tampere, Finland Clay Patrik Niklas-Salminen Alexander Erler Lucas Miedler 6–7(3–7), 1–6Loss15–19 Jul 2022 Challenger Zug, Switzerland Clay Patrik Niklas-Salminen Zdeněk Kolář Adam Pavlásek 3–6, 5–7Loss15–20 Oct 2022 Challenger Rio de Janeiro, Brazil Clay Jakub Paul Guido Andreozzi Guillermo Durán 3–6, 2–6Loss15–21 Oct 2022 Challenger Coquimbo, Chile Clay Jakub Paul Franco Agamenone Hernán Casanova 3–6, 4–6 Win16–21 Nov 2022 Challenger Montevideo, Uruguay Clay Piotr Matuszewski Facundo Díaz Acosta Luis David Martínez 6–4, 6–4Loss16–22 Feb 2023 Challenger Cherbourg-Octeville, France Hard (i) Kacper Żuk Ivan Liutarevich Vladyslav Manafov 6–7(10–12), 6–7(7–9) Win17–22 Jun 2023 Challenger Poznań, Poland Clay Petr Nouza Ariel Behar Adam Pavlásek 7–6(7–2), 7–6(7–2)Win18–22ChallengerLisbon, PortugalClay Zdenek Kolar Jaime Faria Henrique Rocha 6–2, 7–6 (7–5)Win19–22ChallengerMatsuyama, JapanHard Zdenek Kolar Toshihide Matsui Kaito Uesugi 6–3, 6–2Win20–22ChallengerOeiras, PortugalHard (i) Piotr Matuszewski Arjun Kadhe Marcus Willis 6–3, 6–4Loss20–23ChallengerTenerife, SpainHard Piotr Matuszewski Vasil Kirkov Luis David Martínez 6–3, 4–6, [3–10]Loss20–24ChallengerHamburg, GermanyHard Patrik Niklas-Salminen Rémy Bertola Mattia Bellucci 4–6, 5–7Loss20–25ChallengerBrașov, RomaniaClay Piotr Matuszewski Javier Barranco Cosano Nicolas Moreno de Alboran 6–3, 1–6, [15–17]Loss20–26ChallengerIași, RomaniaClay Piotr Matuszewski Cezar Crețu Bogdan Pavel 6–2, 2–6, [4–10]Loss20–27ChallengerTulln, AustriaClay Piotr Matuszewski Miloš Karol Vitaliy Sachko 4–6, 6–2, [9–11]Loss20–28ChallengerValencia, SpainClay Piotr Matuszewski Alexander Merino Christoph Negritu 3–6, 4–6Loss20–29ChallengerCuritiba, BrazilClay Piotr Matuszewski Fernando Romboli Matías Soto 6–7 (5–7), 6–7 (4–7)Win21–29ChallengerGuayaquil, EcuadorClay Piotr Matuszewski Luís Britto Marcelo Zormann 6–4, 7–6 (7–2)Win22–29ChallengerLima II, PeruClay Piotr Matuszewski Luís Britto Gustavo Heide7–5, 6–4Win23–29Challenger Montemar, SpainClay Piotr Matuszewski Daniel Rincón Abdullah Shelbayh 6–3, 6–4Loss23–30Challenger Lille, FranceHard (i) Piotr Matuszewski Jakub Paul David Pel 3–6, 4–6Win24–30Challenger Córdoba, ArgentinaClay Piotr Matuszewski Fernando Romboli Matías Soto 6–4, 6–4Win25–30Challenger Oeiras, PortugalClay Piotr Matuszewski Francisco Cabral Lucas Miedler 6–4, 3–6, [10–8]Win26–30Challenger City of San Marino, San MarinoClay Ray Ho Miloš Karol Vitaliy Sachko 7–5, 7–6(7–3)Loss26–31Challenger Cherbourg-en-Cotentin, FranceHard (i) Szymon Walków Cleeve Harper David Stevenson 6–4, 3–6, [8–10]Loss26–32Challenger Murcia, SpainClay Piotr Matuszewski Benjamin Hassan Sebastian Ofner 3–6, 4–6Loss26–33Challenger Ostrava, Czech RepublicClay Piotr Matuszewski Sergio Martos Gornés Szymon Walków 7–6(7–3), 5–7, [8–10]Win27–33Challenger Bratislava, SlovakiaClay Piotr Matuszewski Lukáš Pokorný Vitaliy Sachko 6–4, 7–5Loss27–34Challenger Poznań, PolandClay Piotr Matuszewski Sergio Martos Gornés Szymon Walków 3–6, 5–7Loss27–35Challenger Como, ItalyClay Piotr Matuszewski Admir Kalender Nino Serdarušić 3–6, 4–6

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