The Bulgarian Open Championship is an annual international badminton championships held in Bulgaria since 1985, by then known as Bulgarian International. It was halted between 1996 and 1998, and in 2000. The tournament belongs to the Badminton Europe elite circuit and become the highest level badminton tournament in Bulgaria. It changed to its current name in 2017, to differentiate it from the second badminton tournament in the country which is now known as Bulgarian International Championship.

Previous winners

Year	Men's singles	Women's singles	Men's doubles	Women's doubles	Mixed doubles
1985	Heinz Fischer	Monika Cassens	Heinz Fischer Jeliazko Valkov	Monika Cassens Kerstin Bohn	Thomas Mundt Monika Cassens
1986		Helle Andersen	Thomas Lund Max Gandrup	Susanne Pedersen Tanja Berg
1987	Jacek Hankiewicz	Monika Cassens	Peter Buch Jensen Karsten Wolfgang	Monika Cassens Angela Michalowski	Kai Abraham Petra Michalowsky
1988	Jin Feng	Lin Yanfen	Lin Jian Fu Qiang	Lin Yanfen Zhang Wanling	Li Jian Gao Meifeng
1989	Liang Zhiofang		Yu Lizhi Zheng Shouta		Chi Bing Lin Yanfen
1990	Andrey Antropov	Irina Serova	Andrey Antropov Nikolai Zuyev	Diana Koleva Hellene Kirkegaard	Nikolai Zuyev Irina Serova
1991	Robert Liljequist		Markus Keck Michael Helber	Andrea Findhammer Anne-Katrin Seid	Markus Keck Anne-Katrin Seid
1992	Anatoliy Skripko	Victoria Hristova	Svetoslav Stoyanov Mihail Popov	Neli Nedyalkova Reni Asenova	Svetoslav Stoyanov Raina Tzvetkova
1993	Hannes Fuchs	Irina Serova	Mikhail Korschuk Vitaliy Shmakov	Tatiana Gerasimovitch Vlada Chernyavskaya	Vitaliy Shmakov Vlada Chernyavskaya
1994		Katarzyna Krasowska	Robert Mateusiak Damian Pławecki	Elena Nozdran Victoria Evtoushenko	Vladislav Druzchenko Victoria Evtoushenko
1995	Anders Nielsen	Elena Nozdran	Thomas Reidy Kevin Han	Diana Koleva Neli Nedyalkova
1996–1998	Not held
1999	Kasper Ødum	Elena Nozdran	Joachim Tesche Christian Mohr	Diana Koleva Neli Nedyalkova	Valerij Streltsov Natalia Golovkina
2000	Not held
2001	Richard Vaughan	Petya Nedelcheva	Peter Jeffrey Ian Palenthorpe	Liza Parker Suzanne Rayappan	Robert Blair Natalie Munt
2002	Stanislav Pukhov	Elena Suchareva	Stanislav Pukhov Nikolai Zuyev	Natalia Gorodnicheva Marina Yakusheva	Nikolai Zuyev Marina Yakusheva
2003	Shoji Sato	Petya Nedelcheva	Thomas Røjkjær Jensen Tommy Sørensen	Petya Nedelcheva Neli Boteva	Dimitry Miznikov Natalia Golovkina
2004	Nathan Rice	Elizabeth Cann	Ruben Gordown Khosadalina Aji Basuki Sindoro	Ragna Ingólfsdóttir Sara Jónsdóttir	Steve Foster Jenny Wallwork
2005	Joachim Fischer Nielsen	Petya Nedelcheva	Mihail Popov Svetoslav Stoyanov	Petya Nedelcheva Diana Dimova	Vladimir Metodiev Petya Nedelcheva
2006	Sergei Ivlev	Linda Zetchiri	Rasmus Mangor Andersen Peter Steffensen		Tim Dettmann Annekatrin Lillie
2007	Jan Fröhlich	Petya Nedelcheva	Robert Mateusiak Michał Łogosz	Valeria Sorokina Nina Vislova	Aleksandr Nikolaenko Nina Vislova
2008	Yuichi Ikeda		Vitalij Durkin Aleksandr Nikolaenko
2009	Rune Ulsing		Kasper Faust Henriksen Anders Kristiansen	Petya Nedelcheva Anastasia Russkikh	Robert Mateusiak Nadieżda Kostiuczyk
2010	Przemysław Wacha		Marcus Ellis Peter Mills		Evgeniy Dremin Anastasia Russkikh
2011		Linda Zetchiri	Liang Jui-wei Liao Kuan-hao	Heather Olver Mariana Agathangelou	Valeriy Atrashchenkov Anna Kobceva
2012 IC[1]	Kęstutis Navickas	Petya Nedelcheva	Robert Blair Tan Bin Shen	Gabriela Stoeva Stefani Stoeva	Michael Fuchs Birgit Michels
2013 IC[2]	Emil Holst	Beatriz Corrales	Łukasz Moreń Wojciech Szkudlarczyk		Robert Blair Imogen Bankier
2014 IC[3]	Marc Zwiebler		Selvanus Geh Kevin Sanjaya Sukamuljo	Della Destiara Haris Gebby Ristiyani Imawan	Fran Kurniawan Komala Dewi
2015 IC[4]	Pablo Abián	Olga Konon	Raphael Beck Peter Käsbauer	Gabriela Stoeva Stefani Stoeva	Robert Mateusiak Nadieżda Zięba
2016 IS[5]	Patrick Bjerregaard	Clara Azurmendi	Pakin Kuna-anuvit Natthapat Trinkajee	Cemre Fere Neslihan Kılıç	Rodion Alimov Alina Davletova
2017 IS[6]	Lakshya Sen	Neslihan Yiğit	Mathias Thyrri Søren Toft Hansen	Gabriela Stoeva Stefani Stoeva	Alex Vlaar Iris Tabeling
2018 IS[7]	Toma Junior Popov		Christo Popov Toma Junior Popov		Alex Vlaar Mariya Mitsova
2019 IS[8]			Éloi Adam Julien Maio	Bengisu Erçetin Nazlıcan İnci	Joshua Hurlburt-Yu Josephine Wu
2020 IS[9]	Cancelled[note 1]
2021 IS[10]	Cancelled[note 2]
2022	Not held

Performances by nation

As of the 2019 edition

Pos	Nation	MS	WS	MD	WD	XD	Total
1	Bulgaria	0	11	1.5	12.5	3.5	28.5
2	Russia	2	1	2	4	5	14
3	Denmark	5	1	6	1.5	0	13.5
4	China	2	2	2	2	2	10
5	Germany	1	1	3	1	3	9
	Poland	3	1	3	0	2	9
7	England	2	1	2	2	1.5	8.5
8	Ukraine	0	2	0	1	5	8
9	East Germany	0	2	0	2	3	7
10	Austria	4	1	0.5	0	0	5.5
11	France	2	0	3	0	0	5
	Soviet Union	1	2	1	0	1	5
	Turkey	0	3	0	2	0	5
14	Indonesia	0	0	2	1	1	4
	Spain	1	3	0	0	0	4
16	Belarus	0	0	1	1	1	3
17	Japan	2	0	0	0	0	2
	Scotland	0	0	0.5	0	1.5	2
19	Canada	0	0	0	0	1	1
	Chinese Taipei	0	0	1	0	0	1
	CIS	1	0	0	0	0	1
	Czech Republic	1	0	0	0	0	1
	Finland	1	0	0	0	0	1
	Iceland	0	0	0	1	0	1
	India	1	0	0	0	0	1
	Lithuania	1	0	0	0	0	1
	Thailand	0	0	1	0	0	1
	United States	0	0	1	0	0	1
	Wales	1	0	0	0	0	1
30	Malaysia	0	0	0.5	0	0	0.5
	Netherlands	0	0	0	0	0.5	0.5
Total		31	31	31	31	31	155