Błażej Koniusz (Polish pronunciation: [ˈbwaʐɛj ˈkɔɲuʂ]) (born 22 February 1988^[1] in Świętochłowice) is a tennis player from Poland.^[2]

Koniusz has a career high ATP singles ranking of World No. 445, achieved on 7 July 2008. He also has a career high ATP doubles ranking of World No. 150, achieved on 16 February 2015.

Koniusz began playing at the age of four, and joined his first club at the age of seven. As a junior, he and compatriot Grzegorz Panfil won the 2006 Australian Open boys' doubles championship, defeating Americans Kellen Damico and Nathaniel Schnugg 7–6^(7–5), 6–3 in the final. He began his senior career in 2006.^[3]

Koniusz represented Team Poland during Davis Cup play in 2008.^[4]

Result	Year	Championship	Surface	Partner	Opponents	Score
Win	2006	Australian Open	Hard	Grzegorz Panfil	Kellen Damico Nathaniel Schnugg	7–6(7–5), 6–3

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Aug 2007	Latvia F3, Jūrmala	Futures	Clay	Carles Poch Gradin	4-6, 1-6
Loss	0–2	Jan 2008	Austria F1, Bergheim	Futures	Carpet	Massimo Dell'Acqua	6–4, 6–7(3–7), 4–6
Loss	0–3	May 2009	Poland F2, Kraków	Futures	Clay	Denys Molchanov	3-6, 2-6
Loss	0–4	May 2010	Poland F1, Katowice	Futures	Clay	Alexander Flock	7–6(7–5), 4–6, 4–6
Win	1–4	Jul 2013	Slovakia F1, Poprad	Futures	Clay	Martin Fafl	6-3, 7-5

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0-1	May 2006	Poland F5, Bytom	Futures	Clay	Grzegorz Panfil	Gero Kretschmer Clinton Thomson	6–4, 2–6, 3–6
Win	1–1	Aug 2007	Poland F5, Olsztyn	Futures	Clay	Mateusz Kowalczyk	Dawid Celt Marcin Gawron	6-4, 6-2
Win	2–1	Sep 2007	Poland F8, Opole	Futures	Clay	Mateusz Kowalczyk	Benjamin Balleret Clément Morel	6–1, 6–1
Loss	2–2	Sep 2007	Poland F9, Gdynia	Futures	Clay	Mateusz Kowalczyk	Andrzej Grusiecki Lukasz Wodnicki	3-6, 5-7
Win	3–2	Jan 2008	Austria F1, Bergheim	Futures	Carpet	Marcin Gawron	Massimo Dell'Acqua Luca Vanni	6–3, 7–6(7–0)
Loss	3–3	Mar 2008	Switzerland F1, Leuggern	Futures	Hard	Grzegorz Panfil	Dustin Brown Armin Sandbichler	3-6, 2-6
Loss	3–4	May 2008	Poland F1, Katowice	Futures	Clay	Mateusz Kowalczyk	Grzegorz Panfil Marcin Gawron	2–6, 6–4, [5–10]
Loss	3–5	Jun 2008	Bytom, Poland	Challenger	Clay	Raphael Durek	Mateusz Kowalczyk Marcin Gawron	4–6, 6–3, [7–10]
Win	4–5	Aug 2009	Poland F4, Olsztyn	Futures	Clay	Grzegorz Panfil	Mateusz Szmigiel Rafal Gozdur	6-1, 6-3
Loss	4–6	Aug 2009	Poland F5, Poznań	Futures	Clay	Andriej Kapaś	Piotr Gadomski David Savić	1–6, 4–6
Loss	4–7	May 2010	Poland F2, Kraków	Futures	Clay	Grzegorz Panfil	Marcin Gawron Andriej Kapaś	6–3, 0–6, [7–10]
Win	5–7	Jun 2010	Poland F3, Koszalin	Futures	Clay	Grzegorz Panfil	Sergey Betov Robert Varga	7–6(7–3), 6–3
Win	6–7	Jun 2010	Poland F4, Gliwice	Futures	Clay	Grzegorz Panfil	Andrei Vasilevski Nikolai Fidirko	6-3, 6-1
Loss	6–8	Aug 2010	Slovakia F1, Piešťany	Futures	Clay	Filip Rams	Michal Pazicky Adrian Sikora	7–6(7–4), 4–6, [8–10]
Loss	6–9	Jun 2011	Poland F3, Koszalin	Futures	Clay	Andriej Kapaś	Aliaksandr Bury Nikolai Fidirko	6–1, 3–6, [6–10]
Win	7–9	Jun 2011	Poland F4, Bytom	Futures	Clay	Andriej Kapaś	Érik Chvojka Roman Jebavý	7–5, 6–4
Win	8–9	Aug 2011	Poland F6, Olsztyn	Futures	Clay	Grzegorz Panfil	Arkadiusz Kocyla Mikolaj Szmyrgala	6–3, 6–7(4–7), [10–6]
Win	9–9	Jul 2013	Slovakia F1, Poprad	Futures	Clay	Pirmin Haenle	Lukas Marsoun Dominik Suc	2–6, 6–3, [10–5]
Loss	9–10	Sep 2013	Georgia F1, Telavi	Futures	Clay	Arkadiusz Kocyla	Romain Arneodo Benjamin Balleret	6–7(5–7), 0–6
Loss	9–11	Sep 2013	Georgia F2, Telavi	Futures	Clay	Arkadiusz Kocyla	Romain Arneodo Benjamin Balleret	5-7, 2-6
Win	10–11	Oct 2013	Hungary F1, Budapest	Futures	Clay	Piotr Gadomski	Niels Desein Peter Torebko	6-3, 6-3
Loss	10–12	Oct 2013	Hungary F2, Budapest	Futures	Clay	Piotr Gadomski	Marek Michalička Moritz Baumann	5-7, 3-6
Win	11–12	Nov 2013	Czech Republic F6, Jablonec	Futures	Carpet	Maciej Smola	Andis Juška Robin Stanek	4–6, 7–6(11–9), [10–5]
Win	12–12	Dec 2013	Czech Republic F7, Opava	Futures	Carpet	Maciej Smola	Jan Blecha Roman Jebavý	6-3, 6-0
Loss	12–13	Jan 2014	Germany F1, Schwieberdingen	Futures	Carpet	Mateusz Kowalczyk	Jacob Adaktusson Dimitar Kutrovsky	3–6, 6–1, [6–10]
Win	13–13	Jan 2014	France F1, Bagnoles-de-l'Orne	Futures	Clay	Mateusz Kowalczyk	Dorian Descloix Gleb Sakharov	6-2, 6-3
Loss	13–14	Mar 2014	Italy F3, Trento	Futures	Hard	Matteo Volante	Kevin Krawietz Fabrice Martin	3-6, 1-6
Win	14–14	Apr 2014	Egypt F12, Sharm El Sheikh	Futures	Clay	Andriej Kapaś	Steven Moneke Mark Vervoort	6–2, 7–6(7–1)
Win	15–14	Apr 2014	Egypt F13, Sharm El Sheikh	Futures	Clay	Andriej Kapaś	Francesco Garzelli Libor Salaba	6–4, 7–5
Win	16–14	Apr 2014	France F8, Angers	Futures	Clay	Andriej Kapaś	Olivier Charroin Julien Obry	6–3, 6–4
Loss	16–15	Jun 2014	Vicenza, Italy	Challenger	Clay	Mateusz Kowalczyk	Andrej Martin Igor Zelenay	1-6, 5-7
Loss	16–16	Jun 2014	Košice, Slovakia	Challenger	Clay	Andriej Kapaś	Facundo Argüello Ariel Behar	4–6, 6–7(4–7)
Win	17–16	Jul 2014	Germany F7, Kassel	Futures	Clay	Andriej Kapaś	Nicolas Jarry Simon Navarro	6–4, 6–2
Loss	17–17	Aug 2014	Poland F5, Poznań	Futures	Clay	Andriej Kapaś	Roman Jebavý Adrian Sikora	6–4, 3–6, [5–10]
Loss	17–18	Aug 2014	Poland F6, Bytom	Futures	Clay	Andriej Kapaś	Mateusz Kowalczyk Piotr Gadomski	6–4, 3–6, [4–10]
Win	18–18	Sep 2014	Poland F7, Piekary Śląskie	Futures	Clay	Marcin Gawron	Maciej Smola Piotr Gadomski	7–6(7–4), 4–6, [10–3]
Loss	18–19	Nov 2014	Brescia, Italy	Challenger	Hard	Roman Jebavý	Denys Molchanov Illya Marchenko	6–7(4–7), 3–6
Loss	18–20	Feb 2015	Bergamo, Italy	Challenger	Hard	Mateusz Kowalczyk	Martin Emmrich Andreas Siljeström	4–6, 5–7

• Błażej Koniusz at the Association of Tennis Professionals
• Błażej Koniusz at the International Tennis Federation