2021–2022: First ATP title, First Grand Slam quarterfinal, Three more finals, top 40 debut in doubles

2021 was the most successful year in Brkić's career. Partnered with Nikola Ćaćić, he won his first ATP title at the 2021 Argentina Open and reached the final of the 2021 Andalucía Open and semifinal at 2021 Serbia Open.

On his Grand Slam debut, he reached the second round of the 2021 Australian Open partnering with Aisam-ul-Haq Qureshi.

The pair Brkić/Ćaćić also reached the quarterfinals of the 2021 French Open for their best showing in their careers defeating fourth seeds M. Granollers/H. Zeballos and M. González/S. Bolelli en route.

On 17 January 2022 Brkić reached a career high of World No. 40 in doubles.

Doubles: 5 (2 titles, 3 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Mar 2021	Argentina Open, Argentina	250 Series	Clay	Nikola Ćaćić	Ariel Behar Gonzalo Escobar	6–3, 7–5
Loss	1–1	Apr 2021	Andalucía Open, Spain	250 Series	Clay	Nikola Ćaćić	Ariel Behar Gonzalo Escobar	2–6, 4–6
Loss	1–2	Jul 2021	Croatia Open, Croatia	250 Series	Clay	Nikola Ćaćić	Fernando Romboli David Vega Hernández	3–6, 5–7
Loss	1–3	Oct 2021	Kremlin Cup, Russia	250 Series	Hard (i)	Nikola Ćaćić	Harri Heliövaara Matwé Middelkoop	5–7, 6–4, [9–11]
Win	2–3	Jul 2022	Swiss Open Gstaad, Switzerland	250 Series	Clay	Francisco Cabral	Robin Haase Philipp Oswald	6–4, 6–4

Singles: 30 (16–14)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	May 2011	Bosnia & Herzegovina F2, Sarajevo	Futures	Clay	Miljan Zekić	6–7(1–7), 2–6
Win	1–1	May 2011	Bosnia & Herzegovina F4, Prijedor	Futures	Clay	Mirza Bašić	6–4, 7–5
Win	2–1	Jan 2012	Turkey F1, Antalya	Futures	Hard	Michal Konečný	6–4, 6–1
Loss	2–2	Apr 2012	Turkey F15, Antalya	Futures	Hard	Radu Albot	1–6, 6–4, 2–6
Loss	2–3	Apr 2012	Turkey F16, Antalya	Futures	Hard	Radu Albot	6–3, 4–6, 6–7(3–7)
Loss	2–4	Aug 2013	Croatia F8, Vinkovci	Futures	Clay	Toni Androić	3–6, 4–6
Win	3–4	Nov 2013	Croatia F16, Bol	Futures	Clay	Salvatore Caruso	4–6, 7–5, 7–5
Win	4–4	Mar 2014	Turkey F5, Antalya	Futures	Hard	Aldin Šetkić	6–2, 3–6, 7–5
Loss	4–5	May 2014	Bosnia & Herzegovina F2, Prijedor	Futures	Clay	Laslo Djere	3–6, 2–6
Loss	4–6	Jun 2014	Bosnia & Herzegovina F4, Kiseljak	Futures	Clay	Mirza Bašić	5–7, 4–6
Win	5–6	Aug 2014	Italy F27, Appiano	Futures	Clay	Daniele Giorgini	7–6(7–3), 7–6(10–8)
Win	6–6	Aug 2014	Italy F28, Este	Futures	Clay	Francesco Picco	6–2, 7–6(8–6)
Win	7–6	Sep 2014	Croatia F16, Bol	Futures	Clay	Riccardo Sinicropi	7–5, 6–2
Loss	7–7	Apr 2015	Turkey F13, Antalya	Futures	Hard	Dennis Novak	3–6, 3–6
Win	8–7	May 2015	Croatia F8, Bol	Futures	Clay	Václav Šafránek	6–2, 6–4
Win	9–7	Nov 2015	Turkey F44, Antalya	Futures	Clay	Gibril Diarra	7–5, 6–2
Loss	9–8	Nov 2015	Turkey F45, Antalya	Futures	Clay	Mate Delić	6–3, 4–6, 1–6
Win	10–8	Aug 2016	Serbia F5, Subotica	Futures	Clay	Ljubomir Čelebić	6–4, 6–2
Loss	10–9	Oct 2016	Croatia F11, Bol	Futures	Clay	Riccardo Bellotti	3–6, 3–6
Win	11–9	Feb 2017	Tunisia F6, Hammamet	Futures	Clay	Kristijan Mesaroš	6–1, 4–1 ret.
Loss	11–10	Feb 2017	Tunisia F7, Hammamet	Futures	Clay	Stefano Travaglia	7–6(9–7), 3–6, 3–6
Loss	11–11	Mar 2017	Tunisia F8, Hammamet	Futures	Clay	Miljan Zekić	7–6(9–7), 3–6, 4–6
Win	12–11	Jun 2017	Bosnia & Herzegovina F2, Brčko	Futures	Clay	Evan King	7–6(9–7), 6–3
Loss	12–12	Aug 2017	Italy F25, Cornaiano	Futures	Clay	Mohamed Safwat	4–6, 3–6
Win	13–12	Aug 2017	Serbia F2, Novi Sad	Futures	Clay	Nino Serdarušić	6–2, 6–7(5–7), 6–3
Win	14–12	Sep 2017	Italy F28, Trieste	Futures	Clay	Adelchi Virgili	7–6(7–2), 4–6, 7–6(8–6)
Loss	14–13	Sep 2017	Kazakhstan F6, Shymkent	Futures	Clay	Enrique López Pérez	6–2, 4–6, 4–6
Win	15–13	Nov 2017	Italy F36, Santa Margherita di Pula	Futures	Clay	Lorenzo Sonego	7–5, 6–4
Win	16–13	Dec 2017	Turkey F46, Antalya	Futures	Clay	Nikola Ćaćić	7–6(7–2), 2–6, 7–6(9–7)
Loss	16–14	Mar 2018	Italy F4, Santa Margherita di Pula	Futures	Clay	Attila Balázs	2–6, 5–7

Doubles: 55 (41–14)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jun 2008	Bosnia Herzegovina F4, Prijedor	Futures	Clay	Milan Bradarić	David Savić Vilim Višak	6–2, 6–3
Win	2–0	Jul 2009	Germany F11, Cologne	Futures	Clay	Ante Pavić	Daniel Caracciolo Jacek Szygowski	6–3, 7–6(7–2)
Loss	2–1	Oct 2010	Turkey F10, Antalya	Futures	Hard	Nikola Ćaćić	Artem Smirnov Róbert Varga	4–6, 4–6
Win	3–1	Oct 2010	Croatia F8, Dubrovnik	Futures	Clay	Damir Džumhur	Kristijan Mesaroš Marin Milan	2–6, 6–1, [11–9]
Win	4–1	Aug 2011	Croatia F7, Vinkovci	Futures	Clay	Marin Franjičević	Mislav Hižak Blaž Rola	3–6, 6–3, [10–7]
Loss	4–2	Nov 2011	Turkey F32, Antalya	Futures	Hard	Ivan Bjelica	Damir Džumhur Aldin Šetkić	4–6, 3–6
Win	5–2	Jan 2012	Turkey F1, Antalya	Futures	Hard	Aldin Šetkić	Carl Bergman Patrik Brydolf	3–6, 7–6(7–2), [10–8]
Loss	5–3	Apr 2012	Turkey F15, Antalya	Futures	Hard	Mislav Hižak	Marcus Daniell Gero Kretschmer	0–6, 2–6
Loss	5–4	Aug 2012	Croatia F8, Vinkovci	Futures	Clay	Aldin Šetkić	Mislav Hižak Blaž Rola	4–6, 6–7(3–7)
Win	6–4	Sep 2012	Croatia F9, Osijek	Futures	Clay	Aldin Šetkić	Ivan Bjelica Matej Sabanov	6–4, 6–1
Win	7–4	Dec 2012	Turkey F47, Antalya	Futures	Hard	Dino Marcan	Andrei Ciumac Volodymyr Uzhylovskyi	6–1, 7–6(7–5)
Loss	7–5	Jan 2013	Germany F3, Kaarst	Futures	Carpet (i)	Nikola Mektić	Stephan Fransen Wesley Koolhof	4–6, 6–7(6–8)
Win	8–5	Mar 2013	Sarajevo, Bosnia/Herzegovina	Challenger	Hard (i)	Mirza Bašić	Karol Beck Igor Zelenay	6–3, 7–5
Win	9–5	Mar 2013	Croatia F5, Rovinj	Futures	Clay	Steven Diez	Nikolaus Moser Tristan-Samuel Weissborn	6–2, 6–2
Win	10–5	Mar 2013	Croatia F6, Vrsar	Futures	Clay	Mate Delić	Lukáš Maršoun Dominik Süč	2–6, 7–6(7–3), [10–8]
Win	11–5	Jun 2013	Bosnia & Herzegovina F3, Doboj	Futures	Clay	Duje Kekez	Nerman Fatić Ismar Gorčić	6–3, 6–4
Win	12–5	Aug 2013	Serbia F8, Novi Sad	Futures	Clay	Duje Kekez	Ismar Gorčić Ilija Vučić	6–3, 7–6(7–1)
Win	13–5	Aug 2013	Croatia F7, Čakovec	Futures	Clay	Duje Kekez	Francesco Borgo Andrea Patracchini	7–5, 6–1
Win	14–5	Oct 2013	Croatia F10, Solin	Futures	Clay	Mate Delić	Aleksandre Kondulukov Alexey Kondulukov	6–3, 4–6, [10–4]
Loss	14–6	Oct 2013	Croatia F11, Dubrovnik	Futures	Clay	Mate Delić	Marek Michalička Dominik Süč	6–7(2–7), 1–6
Loss	14–7	Dec 2013	Croatia F17, Bol	Futures	Clay	Antonio Šančić	Nikola Ćirić Goran Tošić	w/o
Win	15–7	Dec 2013	Turkey F50, Antalya	Futures	Hard	Aldin Šetkić	Alban Meuffels Lukas Mugevičius	6–2, 6–1
Win	16–7	Feb 2014	Croatia F1, Zagreb	Futures	Hard (i)	Janez Semrajč	Dino Marcan Antonio Šančić	7–6(7–3), 7–6(9–7)
Loss	16–8	Mar 2014	Turkey F6, Antalya	Futures	Hard	Bastian Trinker	Aldin Šetkić Erik Crepaldi	4–6, 4–6
Win	17–8	May 2014	Bosnia & Herzegovina F1, Doboj	Futures	Clay	Nikola Ćaćić	Ivan Milivojević Bojan Zdravković	6–1, 6–3
Win	18–8	May 2014	Bosnia & Herzegovina F2, Prijedor	Futures	Clay	Nikola Ćaćić	Darko Jandrić Ante Marinčić	6–3, 6–2
Win	19–8	Jun 2014	Bosnia & Herzegovina F4, Kiseljak	Futures	Clay	Ante Marinčić	Ljubomir Čelebić Giorgio Portaluri	6–2, 6–2
Win	20–8	Aug 2014	Italy F27, Appiano	Futures	Clay	Mirza Bašić	Yannik Reuter Maxime Teixeira	6–3, 6–4
Win	21–8	Nov 2015	Turkey F44, Antalya	Futures	Clay	Darko Jandrić	Tuna Altuna Cem İlkel	7–6(7–3), 6–3
Win	22–8	Jan 2016	Spain F1, Castelldefels	Futures	Clay	Gonçalo Oliveira	Samuel Bensoussan Michal Schmid	6–2, 3–6, [10–1]
Win	23–8	Feb 2016	Spain F2, Paguera	Futures	Clay	Kamil Majchrzak	Carlos Taberner Kento Yamada	6–3, 6–4
Win	24–8	Feb 2016	Spain F3, Paguera	Futures	Clay	Gonçalo Oliveira	Pietro Rondoni Jacopo Stefanini	6–7(6–8), 6–3, [10–6]
Win	25–8	Jun 2016	Netherlands F2, Breda	Futures	Clay	Kamil Majchrzak	Karim-Mohamed Maamoun Ilija Vučić	6–0, 6–2
Win	26–8	Jul 2016	France F12, Montauban	Futures	Clay	Caio Zampieri	Pedro Martínez Lamine Ouahab	6–1, 6–2
Win	27–8	Jan 2017	USA F3, Plantation	Futures	Clay	Nikola Ćaćić	Jaume Pla Malfeito Miguel Semmler	4–6, 6–1, [10–3]
Loss	27–9	Jan 2017	USA F4, Sunrise	Futures	Clay	Nikola Ćaćić	Peter Torebko Bastian Trinker	6–7(3–7), 6–4, [7–10]
Win	28–9	Feb 2017	Tunisia F7, Hammamet	Futures	Clay	Nikola Ćaćić	Oscar José Gutierrez Nicolas Santos	6–3, 6–2
Win	29–9	Nov 2017	Pune, India	Challenger	Hard	Ante Pavić	Pedro Martínez Adrián Menéndez Maceiras	6–1, 7–6(7–5)
Win	30–9	Mar 2018	Italy F4, Santa Margherita di Pula	Futures	Clay	Milan Radojković	Franco Capalbo Gerónimo Espín Busleiman	6–3, 4–6, [10–7]
Win	31–9	Apr 2018	Italy F7, Santa Margherita di Pula	Futures	Clay	Milan Radojković	Franco Capalbo Gerónimo Espín Busleiman	4–6, 6–3, [10–8]
Win	32–9	Jun 2018	Poprad-Tatry, Slovakia	Challenger	Clay	Ante Pavić	Nikola Ćaćić Luca Margaroli	6–3, 4–6, [16–14]
Loss	32–10	Jul 2018	Perugia, Italy	Challenger	Clay	Ante Pavić	Daniele Bracciali Matteo Donati	3–6, 6–3, [7–10]
Win	33–10	Jul 2018	Padova, Italy	Challenger	Clay	Ante Pavić	Walter Trusendi Andrea Vavassori	6–3, 7–6(7–4)
Loss	33–11	Jan 2019	Burnie, Australia	Challenger	Hard	Mirza Bašić	Lloyd Harris Dudi Sela	3–6, 7–6(7–3), [8–10]
Loss	33–12	Feb 2019	Bergamo, Italy	Challenger	Hard (i)	Dustin Brown	Laurynas Grigelis Zdeněk Kolář	5–7, 6–7(7–9)
Loss	33–13	Apr 2019	Barletta, Italy	Challenger	Clay	Tomislav Draganja	Denys Molchanov Igor Zelenay	6–7(1–7), 4–6
Win	34–13	Jun 2019	Milan, Italy	Challenger	Clay	Ante Pavić	Andrei Vasilevski Andrea Vavassori	7–6(8–6), 6–2
Win	35–13	Jul 2019	Perugia, Italy	Challenger	Clay	Ante Pavić	Rogério Dutra Silva Szymon Walków	6–4, 6–3
Win	36–13	Aug 2019	Cordenons, Italy	Challenger	Clay	Ante Pavić	Nikola Ćaćić Antonio Šančić	6–2, 6–3
Win	37–13	Aug 2019	L'Aquila, Italy	Challenger	Clay	Ante Pavić	Luca Margaroli Andrea Vavassori	6–3, 6–2
Win	38–13	Sep 2019	Biella, Italy	Challenger	Clay	Ante Pavić	Ariel Behar Andrey Golubev	7–6(7–2), 6–4
Win	39–13	Sep 2020	Forli, Italy	Challenger	Clay	Nikola Ćaćić	Andrea Vavassori Andrey Golubev	3–6, 7–5, [10–3]
Win	40–13	Oct 2020	Parma, Italy	Challenger	Clay	Marcelo Arévalo	Ariel Behar Gonzalo Escobar	6–4, 6–4
Loss	40–14	Apr 2021	Belgrade, Serbia	Challenger	Clay	Nikola Ćaćić	Guillermo Durán Andrés Molteni	4–6, 4–6
Win	41–14	Oct 2022	Parma, Italy	Challenger	Clay	Nikola Ćaćić	Luis David Martínez Igor Zelenay	6–2, 6–2