Karol Drzewiecki (Polish pronunciation: [ˈkarɔl dʐɛˈvjɛtskʲi]; born 1 November 1995) is a Polish professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of world No. 91 on 6 January 2025 and a singles ranking of No. 820, which he achieved on 3 December 2018.^[1] Drzewiecki has won 12 ATP Challenger doubles titles.^[2]

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Nov 2018	Czech Republic F9, Valasske Mezirici	Futures	Hard	Jonáš Forejtek	6–3, 6–4

Result	W–L	Date	Category	Tournament	Surface	Partner	Opponents	Score
Win	1–0	Mar 2015	Futures	Egypt F9, Sharm El Sheikh	Hard	Maciej Smoła	Íñigo Cervantes Mark Vervoort	6–3, 4–6, [10–4]
Loss	1–1	Jun 2015	Futures	Georgia F5, Pantiani	Clay	Jan Zieliński	Marco Bortolotti Francesco Moncagatto	3–6, 2–6
Win	2–1	Aug 2015	Futures	Poland F2, Bydgoszcz	Clay	Maciej Smoła	Eduardo Dischinger Bruno Sant'Anna	7–6(7–4), 5–7, [10–8]
Win	3–1	Sep 2015	Futures	Poland F5, Wrocław	Hard	Maciej Smoła	Tim Kopinski Konrad Zieba	6–2, 6–7(3–7), [10–5]
Loss	3–2	Oct 2015	Futures	Egypt F34, Sharm El Sheikh	Hard	Maciej Smoła	Scott Clayton Jonny O'mara	6–7(8–10), 1–6
Loss	3–3	Nov 2015	Futures	Egypt F41, Sharm El Sheikh	Hard	Maciej Smoła	Vladyslav Manafov George Tsivadze	2–6, 3–6
Win	4–3	Nov 2015	Futures	Egypt F42, Sharm El Sheikh	Hard	Maciej Smoła	Kamil Gajewski Mikołaj Jędruszczak	7–5, 6–1
Win	5–3	Apr 2016	Futures	Greece F5, Heraklion	Hard	Bruno Sant'Anna	Vladyslav Manafov Bradley Mousley	7–6(7–3), 2–6, [10–7]
Loss	5–4	Oct 2016	Futures	Nigeria F6, Lagos	Hard	Maciej Smoła	Alejandro Davidovich Fokina Alexis Klegou	4–6, 1–6
Loss	5–5	Dec 2016	Futures	Indonesia F6, Jakarta	Hard	Maciej Smoła	Justin Barki Christopher Rungkat	4–6, 4–6
Loss	5–6	Jul 2017	Futures	Poland F3, Mrągowo	Clay	Maciej Smoła	Antonio Massara David Poljak	2–6, 4–6
Loss	5–7	Aug 2017	Futures	Poland F9, Bydgoszcz	Clay	Maciej Smoła	Michał Dembek Hubert Hurkacz	2–6, 7–6(11–9), [6–10]
Win	6–7	Nov 2017	Futures	Czech Republic F8, Opava	Carpet	Maciej Smoła	Mateusz Kowalczyk Szymon Walków	7–6(7–4),6–7(4–7), [10–8]
Win	7–7	Nov 2017	Futures	Czech Republic F10, Ricany	Hard	Szymon Walków	Matej Vocel Michael Vrbensky	3–6, 6–2, [10–8]
Loss	7–8	Nov 2017	Futures	Egypt F36, Cairo	Hard	Szymon Walków	Jordan Correia Mario Vilella Martinez	6–7(11–13), 6–7(4–7)
Win	8–8	Aug 2018	Futures	Poland F7, Bydgoszcz	Clay	Mateusz Kowalczyk	Michał Mikuła Yann Wojcik	7–6(7–3), 6–4
Loss	8–9	Aug 2018	Futures	Poland F8, Poznań	Clay	Mateusz Kowalczyk	Tomasz Bednarek Szymon Walków	4–6, 3–6
Win	9–9	Sep 2018	Challenger	Szczecin, Poland	Clay	Filip Polášek	Guido Andreozzi Guillermo Durán	6–3, 6–4
Loss	9–10	Oct 2018	Futures	Czech Republic F8, Opava	Carpet	Szymon Walków	Vit Kopriva Jaroslav Pospisil	6–7(5–7), 4–6
Win	10–10	Nov 2018	Futures	Czech Republic F9, Valasske Mezirici	Hard	Petr Nouza	Niels Lootsma Glenn Smits	6–2, 6–1
Win	11–10	Nov 2018	Futures	Czech Republic F10, Milovice	Hard	Szymon Walków	Dominik Langmajer Daniel Lustig	5–7, 7–6(9–7), [15–13]
Win	12–10	Nov 2018	Challenger	Andria, Italy	Carpet	Szymon Walków	Marc-Andrea Hüsler David Pel	7–6(12–10), 2–6, [11–9]
Win	13–10	Jan 2019	World Tennis Tour	M25 Nussloch, Germany	Carpet	Szymon Walków	Marek Gengel Danylo Kalenichenko	7–5, 6–3
Loss	13–11	Jul 2019	Challenger	Sopot, Poland	Clay	Mateusz Kowalczyk	Andre Begemann Florin Mergea	1–6, 6–3, [8–10]
Loss	13–12	Sep 2019	Challenger	Mallorca, Spain	Hard	Szymon Walków	Sander Arends David Pel	5–7, 4–6
Loss	13–13	Sep 2019	Challenger	Nur-Sultan, Kazakhstan	Hard (i)	Szymon Walków	Harri Heliövaara Illya Marchenko	4–6, 4–6
Win	14–13	Mar 2020	Challenger	Monterrey, Mexico	Hard	Gonçalo Oliveira	Orlando Luz Rafael Matos	6–7(5–7), 6–4, [11–9]
Loss	14–14	Aug 2020	Challenger	Ostrava, Czech Republic	Clay	Szymon Walków	Artem Sitak Igor Zelenay	5–7, 4–6
Loss	14–15	May 2021	Challenger	Biella, Italy	Clay	Sergio Martos Gornés	Evan King Julian Lenz	6–3, 3–6, [9–11]
Loss	14–16	Jul 2021	Challenger	Poznań, Poland	Clay	Aleksandar Vukic	Zdeněk Kolář Jiří Lehečka	4–6, 6–3, [5–10]
Win	15–16	Sep 2021	Challenger	Mallorca, Spain	Hard	Sergio Martos Gornés	Fernando Romboli Jan Zieliński	6–4, 4–6, [10–3]
Loss	15–17	Feb 2022	Challenger	Tampere, Finland	Hard (i)	Kacper Żuk	Albano Olivetti David Vega Hernández	walkover
Loss	15–18	Jul 2022	Challenger	Tampere, Finland	Clay	Patrik Niklas-Salminen	Alexander Erler Lucas Miedler	6–7(3–7), 1–6
Loss	15–19	Jul 2022	Challenger	Zug, Switzerland	Clay	Patrik Niklas-Salminen	Zdeněk Kolář Adam Pavlásek	3–6, 5–7
Loss	15–20	Oct 2022	Challenger	Rio de Janeiro, Brazil	Clay	Jakub Paul	Guido Andreozzi Guillermo Durán	3–6, 2–6
Loss	15–21	Oct 2022	Challenger	Coquimbo, Chile	Clay	Jakub Paul	Franco Agamenone Hernán Casanova	3–6, 4–6
Win	16–21	Nov 2022	Challenger	Montevideo, Uruguay	Clay	Piotr Matuszewski	Facundo Díaz Acosta Luis David Martínez	6–4, 6–4
Loss	16–22	Feb 2023	Challenger	Cherbourg-Octeville, France	Hard (i)	Kacper Żuk	Ivan Liutarevich Vladyslav Manafov	6–7(10–12), 6–7(7–9)
Win	17–22	Jun 2023	Challenger	Poznań, Poland	Clay	Petr Nouza	Ariel Behar Adam Pavlásek	7–6(7–2), 7–6(7–2)
Win	18–22	Oct 2023	Challenger	Lisbon, Portugal	Clay	Zdenek Kolar	Jaime Faria Henrique Rocha	6–2, 7–6 (7–5)
Win	19–22	Nov 2023	Challenger	Matsuyama, Japan	Hard	Zdenek Kolar	Toshihide Matsui Kaito Uesugi	6–3, 6–2
Win	20–22	Jan 2024	Challenger	Oeiras, Portugal	Hard (i)	Piotr Matuszewski	Arjun Kadhe Marcus Willis	6–3, 6–4
Loss	20–23	Jan 2024	Challenger	Tenerife, Spain	Hard	Piotr Matuszewski	Vasil Kirkov Luis David Martínez	6–3, 4–6, [3–10]
Loss	20–24	Mar 2024	Challenger	Hamburg, Germany	Hard	Patrik Niklas-Salminen	Rémy Bertola Mattia Bellucci	4–6, 5–7
Loss	20–25	Jul 2024	Challenger	Brașov, Romania	Clay	Piotr Matuszewski	Javier Barranco Cosano Nicolas Moreno de Alboran	6–3, 1–6, [15–17]
Loss	20–26	Jul 2024	Challenger	Iași, Romania	Clay	Piotr Matuszewski	Cezar Crețu Bogdan Pavel	6–2, 2–6, [4–10]
Loss	20–27	Sep 2024	Challenger	Tulln, Austria	Clay	Piotr Matuszewski	Miloš Karol Vitaliy Sachko	4–6, 6–2, [9–11]
Loss	20–28	Oct 2024	Challenger	Valencia, Spain	Clay	Piotr Matuszewski	Alexander Merino Christoph Negritu	3–6, 4–6
Loss	20–29	Oct 2024	Challenger	Curitiba, Brazil	Clay	Piotr Matuszewski	Fernando Romboli Matías Soto	6–7 (5–7), 6–7 (4–7)
Win	21–29	Oct 2024	Challenger	Guayaquil, Ecuador	Clay	Piotr Matuszewski	Luís Britto Marcelo Zormann	6–4, 7–6 (7–2)
Win	22–29	Nov 2024	Challenger	Lima II, Peru	Clay	Piotr Matuszewski	Luís Britto Gustavo Heide	7–5, 6–4
Win	23–29	Nov 2024	Challenger	Montemar, Spain	Clay	Piotr Matuszewski	Daniel Rincón Abdullah Shelbayh	6–3, 6–4

• Karol Drzewiecki at the Association of Tennis Professionals
• Karol Drzewiecki at the International Tennis Federation