2021: First two titles, Wimbledon third round

Partnering Lloyd Glasspool, Heliövaara won his first ATP Tour title at the 2021 Open 13 against Sander Arends and David Pel of the Netherlands in March, and his second at the 2021 Kremlin Cup with Dutch Matwé Middelkoop in October.

2022: Two major quarterfinals and ATP Finals semifinal, ATP 500 title, top 15

Heliövaara reached two more ATP 250 finals with Glasspool at the 2022 Open Sud de France in Lyon and the 2022 Dallas Open and entered the top 50 in doubles on 28 February 2022. In May 2022, on their debut at the 2022 Italian Open (tennis), the pair reached their first quarterfinal at a Masters 1000 as alternates, defeating top seeds Joe Salisbury and Rajeev Ram en route in the first round,^[1] marking their first win and a debut for Heliövaara at this level.^[2]

At the 2022 French Open he reached the quarterfinals of a Grand Slam for the first time in his career with Glasspool. As a result, he moved into the top 40 at World No. 39 on 6 June 2022. The pair continued with their successful season reaching their first final on grass at the 2022 Queen's Club Championships. Next they advanced to the third round at Wimbledon for the second consecutive year.^[3]

They won the biggest title at the ATP 500 2022 Hamburg European Open defeating Matwé Middelkoop and Rohan Bopanna.^[4] As a result, Heliövaara reached the top 25 on 25 July 2022. At the 2022 Croatia Open Umag, they reached the semifinals defeating wildcard pair Mili Poljičak and Nino Serdarušić.^[5] Next they defeated second seeds Rafael Matos and David Vega Hernández to reach their fifth final this season.^[6]

At the 2022 National Bank Open the pair reached the quarterfinals of a Masters 1000 for the second time in the season where they lost to third seeds Koolhof/Skupski.^[7]

Seeded 11th at the US Open they reached their second quarterfinal of a Grand Slam and first at this Major defeating 8th seeded pair of Kyrgios/Kokkinakis in three sets.^[8] The pair reached their sixth final of the season at the 2022 Moselle Open.^[9] As a result, Heliövaara reached the top 15 in the doubles rankings at World No. 14 on 26 September 2022.

On 4 November the pair qualified for their first 2022 ATP Finals after reaching their first Masters 1000 semifinal at the 2022 Rolex Paris Masters and Heliövaara moved to No. 12 in the rankings.^[10] They qualified for the ATP finals semifinals defeating Arévalo/Rojer and Granollers/Zeballos both matches in straight sets.^[11]

2023: Fourth ATP title, Three Masters quarterfinals, World No. 7, Mixed Grand Slam title

Heliövaara and Lloyd Glasspool at the 2023 DC Open

He won his fourth title with his partner Glasspool in Adelaide and reached the top 10 at No. 9 on 9 January 2023.^[12] He also reached his eleventh final in Dubai with Glasspool.^[13]

At the sign-in line of the US Open, Heliövarra met Anna Danilina, asked if she wanted a partner for the mixed doubles tournament, and she accepted.^[14] The recently formed pair wound up winning the entire event at Flushing Meadows.^[15]

Grand Slam tournaments

Mixed doubles: 1 (title)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Win	2023	US Open	Hard	Anna Danilina	Jessica Pegula Austin Krajicek	6–3, 6–4

Doubles: 11 (4 titles, 7 runner-ups)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Mar 2021	Open 13, France	250 Series	Hard (i)	Lloyd Glasspool	Sander Arends David Pel	7–5, 7–6(7–4)
Win	2–0	Oct 2021	Kremlin Cup, Russia	250 Series	Hard (i)	Matwé Middelkoop	Tomislav Brkić Nikola Ćaćić	7–5, 4–6, [11–9]
Loss	2–1	Feb 2022	Open Sud de France, France	250 Series	Hard (i)	Lloyd Glasspool	Pierre-Hugues Herbert Nicolas Mahut	6–4, 6–7(3–7), [10–12]
Loss	2–2	Feb 2022	Dallas Open, United States	250 Series	Hard (i)	Lloyd Glasspool	Marcelo Arévalo Jean-Julien Rojer	6–7(4–7), 4–6
Loss	2–3	Jun 2022	Queen's Club Championships, United Kingdom	500 Series	Grass	Lloyd Glasspool	Nikola Mektić Mate Pavić	6–3, 6–7(3–7), [6–10]
Win	3–3	Jul 2022	Hamburg European Open, Germany	500 Series	Clay	Lloyd Glasspool	Rohan Bopanna Matwé Middelkoop	6–2, 6–4
Loss	3–4	Jul 2022	Croatia Open, Croatia	250 Series	Clay	Lloyd Glasspool	Simone Bolelli Fabio Fognini	7–5, 6–7(6–8), [7–10]
Loss	3–5	Sep 2022	Moselle Open, France	250 Series	Hard (i)	Lloyd Glasspool	Hugo Nys Jan Zieliński	6–7(5–7), 4–6
Loss	3–6	Oct 2022	Stockholm Open, Sweden	250 Series	Hard (i)	Lloyd Glasspool	Marcelo Arévalo Jean-Julien Rojer	3–6, 3–6
Win	4–6	Jan 2023	Adelaide International 1, Australia	250 Series	Hard	Lloyd Glasspool	Jamie Murray Michael Venus	6–3, 7–6(7–3)
Loss	4–7	Feb 2023	Dubai Tennis Championships, United Arab Emirates	500 Series	Hard	Lloyd Glasspool	Maxime Cressy Fabrice Martin	6–7(2–7), 4–6

Singles: 13 (8–5)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Sep 2009	Netherlands F5, Almere	Futures	Clay	Gregory Ouellette	2–6, 6–3, 4–6
Loss	0–2	Oct 2009	Thailand F5, Nakhon Ratchasima	Futures	Hard	Ádám Kellner	6–2, 6–7(5–7), 4–6
Win	1–2	Apr 2010	Korea F1, Seogwipo	Futures	Hard	Teodor-Dacian Crăciun	6–4, 6–2
Win	2–2	Jun 2010	China F5, Wuhan	Futures	Hard	Lim Yong-kyu	6–7(5–7), 6–4, 6–0
Loss	2–3	Sep 2010	China F7, Hangzhou	Futures	Hard	Yan Bai	2–6, 6–4, 3–6
Win	3–3	Jan 2011	Great Britain F2, Sheffield	Futures	Hard	Kenny de Schepper	6–4, 5–7, 6–4
Win	4–3	May 2011	Uzbekistan F1, Andijan	Futures	Hard	Michael Venus	6–4, 6–4
Win	5–3	Oct 2011	Indonesia F4, Jakarta	Futures	Hard	Daniel Yoo	6–3, 1–0 ret.
Win	6–3	Oct 2017	Estonia F2, Tartu	Futures	Carpet	Zdeněk Kolář	6–3, 7–5
Loss	6–4	Jan 2018	Hong Kong F6	Futures	Hard	Matteo Viola	6–3, 2–6, 6–7(5–7)
Win	7–4	Feb 2018	Great Britain F2, Loughborough	Futures	Hard	Maxime Authom	7–6(7–2), 6–4
Win	8–4	Mar 2018	Israel F2, Ramat HaSharon	Futures	Hard	Yshai Oliel	6–1, 6–3
Loss	8–5	May 2018	China F5, Wuhan	Futures	Hard	Te Rigele	5–7, 4–6

Doubles: 59 (34–25)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Nov 2007	Helsinki, Finland	Challenger	Hard	Henri Kontinen	Mikhail Elgin Alexander Kudryavtsev	6–4, 5–7, [11–13]
Win	1–1	Apr 2008	Great Britain F6, Exmouth	Futures	Carpet	Henri Kontinen	Ralph Granbow Ken Skupski	6–2, 6–2
Loss	1–2	Jun 2008	Italy F18, Trieste	Futures	Clay	Tuomo Ojala	Matteo Viola Andrea Fava	2–6, 6–4, [1–10]
Win	2–2	Jul 2008	Estonia F1, Kuressaare	Futures	Clay	Timo Nieminen	Pavel Katliarov Bogdan-Victor Leonte	walkover
Loss	2–3	Aug 2008	Tampere, Finland	Challenger	Clay	Henri Kontinen	Ervin Eleskovic Michael Ryderstedt	3–6, 4–6
Win	3–3	Jul 2009	Estonia F2, Kuressaare	Futures	Clay	Henri Kontinen	Mait Künnap Juho Paukku	6–3, 6–3
Win	4–3	Oct 2009	Thailand F5, Nakhon Ratchasima	Futures	Gard	Roman Jebavý	Matt Simpson William Ward	6–2, 6–2
Win	5–3	Apr 2010	Korea F2, Daegu	Futures	Hard	Adam Feeney	Hiroki Kondo Yi Chu-huan	6–2, 6–2
Win	6–3	Jun 2010	Norway F1, Gausdal	Futures	Hard	Juho Paukku	Fabrice Martin Riccardo Ghedin	2–6, 6–4, [10–5]
Win	7–3	Jul 2010	Norway F2, Gausdal	Futures	Hard	Juho Paukku	Stefan Borg Carl Bergman	6–3, 1–6, [10–7]
Loss	7–4	Jul 2010	Estonia F1, Kuressaare	Futures	Clay	Michael Ryderstedt	Andis Juška Deniss Pavlovs	5–7, 6–7(6–8)
Win	8–4	Jul 2010	Estonia F2, Tallinn	Futures	Clay	Juho Paukku	Aleksandr Agafonov Marcel Felder	6–3, 6–2
Win	9–4	Aug 2010	Finland F1, Vierumäki	Futures	Clay	Juho Paukku	Filippo Leonardi Jacopo Marchegiani	6–1, 6–4
Loss	9–5	Oct 2010	China F8, Shanghai	Futures	Hard	José Statham	Mao-Xin Gong Zhe Li	6–7(3–7), 6–7(6–8)
Loss	9–6	Oct 2010	Japan F9, Kashiwa	Futures	Hard	Bumpei Sato	Yuichi Ito Yi Chu-huan	6–4, 1–6, [8–10]
Loss	9–7	Oct 2010	Japan F10, Tama	Futures	Hard	Bumpei Sato	Tasuku Iwami Hiroki Kondo	2–6, 4–6
Loss	9–8	Jan 2011	Great Britain F1, Glasgow	Futures	Hard	Juho Paukku	Chris Eaton Alexander Slabinsky	7–6(7–3), 1–6, [2–10]
Loss	9–9	Mar 2011	Pingguo, China	Challenger	Hard	José Statham	Mikhail Elgin Alexander Kudryavtsev	3–6, 2–6
Win	10–9	May 2011	Uzbekistan F1, Andijan	Futures	Hard	Ervind Gasparyan	Andrei Vasilevski Alexander Rumyantsev	6–4, 7–5
Win	11–9	Jun 2011	Spain F20, Martos	Futures	Hard	Denys Molchanov	Ilya Belyaev Steven Diez	6–3, 6–4
Win	12–9	Jun 2011	Spain F21, Melilla	Futures	Hard	Denys Molchanov	Jamie Pulgar-Garcia Javier Pulgar-Garcia	6–2, 7–6(7–2)
Loss	12–10	Aug 2011	Beijing, China	Challenger	Hard	Michael Ryderstedt	Sonchat Ratiwatana Sanchai Ratiwatana	7–6(7–4), 3–6, [3–10]
Loss	12–11	Aug 2011	Astana, Kazakhstan	Challenger	Hard	Denys Molchanov	Karan Rastogi Vishnu Vardhan	6–7(2–7), 6–2, [8–10]
Win	13–11	Sep 2011	Tashkent, Uzbekistan	Challenger	Hard	Denys Molchanov	Raven Klaasen John Paul Fruttero	7–6(7–5), 7–6(7–3)
Loss	13–12	Oct 2011	Indonesia F5, Palembang	Futures	Hard	Hiroki Kondo	Danai Udomchoke Jimmy Wang	0–6, 1–6
Loss	13–13	Jun 2012	Romania F3, Bacău	Futures	Clay	Timo Nieminen	Marius Copil Victor Crivoi	3–6, 4–6
Loss	13–14	Jul 2012	Braunschweig, Germany	Challenger	Clay	Denys Molchanov	Mateusz Kowalczyk Tomasz Bednarek	5–7, 7–6(7–1), [8–10]
Loss	13–15	Jul 2015	Tampere, Finland	Challenger	Clay	Patrik Niklas-Salminen	André Ghem Tristan Lamasine	6–7(5–7), 6–7(4–7)
Win	14–15	Sep 2017	Tunisia F27, Hammamet	Futures	Clay	Evan Zhu	Luis Britto Marcelo Zormann	6–1, 6–4
Win	15–15	Oct 2017	Estonia F2, Tartu	Futures	Carpet	Patrik Niklas-Salminen	Evgenii Tiurnev Vladimir Polyakov	6–1, 7–6(7–3)
Win	16–15	Nov 2017	Estonia F3, Tallinn	Futures	Hard	Patrik Niklas-Salminen	Maxime Authom Grégoire Barrère	6–2, 6–3
Win	17–15	Feb 2018	Great Britain F2, Loughborough	Futures	Hard	Frederik Nielsen	Luke Johnson Jack Findel-hawkins	6–4, 6–1
Loss	17–16	Feb 2018	Great Britain F3, Shrewsbury	Futures	Hard	Frederik Nielsen	Scott Clayton Marcus Willis	2–6, 5–7
Win	18–16	Mar 2018	Israel F2, Ramat HaSharon	Futures	Hard	Patrik Niklas-Salminen	Marat Deviatiarov Volodymyr Uzhylovskyi	6–3, 6–2
Loss	18–17	Mar 2018	Israel F3, Tel Aviv	Futures	Hard	Patrik Niklas-Salminen	Danylo Kalenichenko Volodymyr Uzhylovskyi	5–7, 3–6
Win	19–17	May 2018	China F5, Wuhan	Futures	Hard	Patrik Niklas-Salminen	Shintaro Imai Yuta Shimizu	6–1, 6–7(5–7), [10–4]
Win	20–17	May 2018	China F6, Luan	Futures	Hard	Patrik Niklas-Salminen	Gao Xin Te Rigele	6–2, 6–3
Win	21–17	Jul 2018	Båstad, Sweden	Challenger	Clay	Henri Laaksonen	Zdeněk Kolář Gonçalo Oliveira	6–4, 6–3
Win	22–17	Sep 2018	Switzerland F5, Schlieren	Futures	Clay	Patrik Niklas-Salminen	David Škoch Petr Nouza	6–3, 6–1
Loss	22–18	Oct 2018	Fairfield, United States	Challenger	Hard	Henri Laaksonen	Sanchai Ratiwatana Christopher Rungkat	0–6, 6–7(9-11)
Win	23–18	Nov 2018	Charlottesville, United States	Challenger	Hard	Henri Laaksonen	Toshihide Matsui Frederik Nielsen	6–3, 6–4
Win	24–18	Jul 2019	Amersfoort, Netherlands	Challenger	Clay	Emil Ruusuvuori	Jesper De Jong Ryan Nijboer	6–3, 6–4
Win	25–18	Oct 2019	Nur-Sultan, Kazakhstan	Challenger	Hard	Illya Marchenko	Szymon Walków Karol Drzewiecki	6–4, 6–4
Win	26–18	Nov 2019	Playford, Australia	Challenger	Hard	Patrik Niklas-Salminen	Ruben Gonzales Evan King	6–4, 6–7(4–7), [10–7]
Win	27–18	Feb 2020	Burnie, Australia	Challenger	Hard	Sem Verbeek	Luca Margaroli Andrea Vavassori	7–6(7–5), 7–6(7–4)
Win	28–18	Oct 2020	Biella, Italy	Challenger	Clay	Szymon Walków	Lloyd Glasspool Alex Lawson	7–5, 6–3
Loss	28–19	Oct 2020	Barcelona, Spain	Challenger	Clay	Alex Lawson	Tristan-Samuel Weissborn Szymon Walków	1–6, 6–4, [8–10]
Loss	28–20	Oct 2020	Lisbon, Portugal	Challenger	Clay	Zdeněk Kolář	Roberto Cid Subervi Gonçalo Oliveira	6–7(5–7), 6–4, [4–10]
Win	29–20	Nov 2020	Bratislava, Slovakia	Challenger	Hard	Emil Ruusuvuori	Lukas Klein Alex Molčan	6–4, 6–3
Loss	29–21	Dec 2020	Maia, Portugal	Challenger	Clay	Lloyd Glasspool	Andrea Vavassori Zdeněk Kolář	3–6, 4–6
Loss	29–22	Jan 2021	Istanbul, Turkey	Challenger	Hard	Lloyd Glasspool	David Pel André Göransson	6–4, 3–6, [8–10]
Loss	29–23	Feb 2021	Biella, Italy	Challenger	Hard	Lloyd Glasspool	Hugo Nys Tim Pütz	6–7(4–7), 3–6
Win	30–23	Feb 2021	Gran Canaria, Spain	Challenger	Clay	Lloyd Glasspool	Kimmer Coppejans Sergio Martos Gornés	7–5, 6–1
Win	31–23	Oct 2021	Barcelona, Spain	Challenger	Clay	Roman Jebavý	Nuno Borges Francisco Cabral	6-4, 6-3
Loss	31–24	Nov 2021	Bergamo, Italy	Challenger	Hard (i)	Lloyd Glasspool	Zdeněk Kolář Jiří Lehečka	4–6, 4–6
Win	32–24	Nov 2021	Roanne, France	Challenger	Hard (i)	Lloyd Glasspool	Romain Arneodo Albano Olivetti	7–6(7–5), 6–7(5–7), [12–10]
Loss	32–25	Nov 2021	Helsinki, Finland	Challenger	Hard (i)	Jean-Julien Rojer	Alexander Erler Lucas Miedler	3–6, 6–7(2–7)
Win	33–25	Nov 2021	Bari, Italy	Challenger	Hard	Lloyd Glasspool	Andrea Vavassori David Vega Hernández	6–3, 6–0
Win	34–25	May 2023	Bordeaux, France	Challenger	Clay	Lloyd Glasspool	Sadio Doumbia Fabien Reboul	6–4, 6–2

Doubles: 1 (1 title)

Result	Year	Tournament	Surface	Partner	Opponents	Score
Winner	2007	Australian Open	Hard	Graeme Dyce	Stephen Donald Rupesh Roy	6–2, 6–7(4–7), 6–3