2016: ATP debut

Glasspool made his ATP Tour debut (in doubles) at the 2016 Wimbledon Championships having been given a wildcard to partner compatriot Dan Evans in the main draw.^[2]

2021: Partnership with Heliövaara, Maiden title, Wimbledon third round

Partnering Harri Heliövaara, Glasspool won his first ATP Tour title at the 2021 Open 13 against Sander Arends and David Pel of the Netherlands in March.

2022: Two Major quarterfinals & ATP Finals semifinal, ATP 500 title, top 15

In May 2022, on their debut at the Italian Open, Glasspool and Heliövaara reached their first quarterfinal at a Masters 1000 level as alternates, defeating top seeds, world No. 1, Joe Salisbury, and world No. 2, Rajeev Ram, en route,^[3] marking their first win at this level.^[4]

At the French Open, he reached a major quarterfinal for the first time in his career with Heliövaara. As a result he moved into the top 50, at world No. 49 on 13 June 2022. The pair continued with their successful season reaching their first final on grass at the Queen's Club. Next they advanced to the third round at Wimbledon for the second consecutive year.^[5]

They won the biggest title at the ATP 500 European Open defeating Matwe Middelkoop and Rohan Bopanna.^[6] At the 2022 Croatia Open Umag they reached the semifinals defeating wildcards Mili Poljicak and Nino Serdarusic.^[7] Next they defeated second seeds Rafael Matos and David Vega Hernandez to reach their fifth final of the season.^[8]

At the 2022 National Bank Open the pair reached a second Masters quarterfinal for the season where they lost to third seeds Koolhof/Skupski.^[9] He reached the top 30 on 22 August 2022 at No. 28.

Seeded 11th at the US Open they reached their second quarterfinal and first at this Major defeating 8th seeded pair of Kyrgios/Kokkinakis.^[10] The pair reached their sixth final of the season at the 2022 Moselle Open.^[11] As a result Glasspool reached the top 20 in the rankings on 26 September 2022.

On 4 November the pair qualified for their first 2022 ATP Finals after reaching their first Masters semifinal in Paris and Glasspool moved into the top 15.^[12] They qualified for the semifinals defeating Arévalo/Rojer and Granollers/Zeballos both matches in straight sets.^[13]

2023: Third title, Tenth final, Three Masters quarterfinals, World No. 7

He won his third title with his partner Heliövaara in Adelaide.^[14] He also reached his tenth final in Dubai with Heliövaara.^[15] He made his top 10 debut following the Rome Masters after winning the 2023 BNP Paribas Primrose Bordeaux Challenger 175 with Heliövaara.^[16]

2024: New partnership with Rojer, fourth title

For the 2024 season, Glasspool partnered with Jean-Julien Rojer and the pair won their first title at the 2024 Brisbane International.

Mixed doubles

Doubles: 12 (4 titles, 8 runner-ups)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Mar 2021	Open 13, France	250 Series	Hard (i)	Harri Heliövaara	Sander Arends David Pel	7–5, 7–6(7–4)
Loss	1–1	Feb 2022	Open Sud de France, France	250 Series	Hard (i)	Harri Heliövaara	Pierre-Hugues Herbert Nicolas Mahut	6–4, 6–7(3–7), [10–12]
Loss	1–2	Feb 2022	Dallas Open, United States	250 Series	Hard (i)	Harri Heliövaara	Marcelo Arévalo Jean-Julien Rojer	6–7(4–7), 4–6
Loss	1–3	Jun 2022	Queen's Club Championships, United Kingdom	500 Series	Grass	Harri Heliövaara	Nikola Mektić Mate Pavić	6–3, 6–7(3–7), [6–10]
Win	2–3	Jul 2022	Hamburg European Open, Germany	500 Series	Clay	Harri Heliövaara	Rohan Bopanna Matwé Middelkoop	6–2, 6–4
Loss	2–4	Jul 2022	Croatia Open, Croatia	250 Series	Clay	Harri Heliövaara	Simone Bolelli Fabio Fognini	7–5, 6–7(6–8), [7–10]
Loss	2–5	Sep 2022	Moselle Open, France	250 Series	Hard (i)	Harri Heliövaara	Hugo Nys Jan Zieliński	6–7(5–7), 4–6
Loss	2–6	Oct 2022	Stockholm Open, Sweden	250 Series	Hard (i)	Harri Heliövaara	Marcelo Arévalo Jean-Julien Rojer	3–6, 3–6
Win	3–6	Jan 2023	Adelaide International 1, Australia	250 Series	Hard	Harri Heliövaara	Jamie Murray Michael Venus	6–3, 7–6(7–3)
Loss	3–7	Feb 2023	Dubai Tennis Championships, United Arab Emirates	500 Series	Hard	Harri Heliövaara	Maxime Cressy Fabrice Martin	6–7(2–7), 4–6
Loss	3–8	Aug 2023	Winston-Salem Open, United States	250 Series	Hard	Neal Skupski	Nathaniel Lammons Jackson Withrow	3–6, 4–6
Win	4–8	Jan 2024	Brisbane International, Australia	250 Series	Hard	Jean-Julien Rojer	Kevin Krawietz Tim Pütz	7–6(7–3), 5–7, [12–10]

Close

Singles: 11 (5–6)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Jul 2015	Ireland F1, Dublin	Futures	Carpet	Daniel Smethurst	3–6, 6–7(2–7)
Win	1–1	Oct 2015	Greece F7, Heraklion	Futures	Hard	Miki Janković	6–4, 6–3
Loss	1–2	Nov 2015	Great Britain F10, Tipton	Futures	Hard (i)	Neil Pauffley	4–6, 6–7(8–10)
Win	2–2	Dec 2015	Tunisia F34, El Kantaoui	Futures	Hard	Roberto Ortega Olmedo	6–3, 6–4
Loss	2–3	Mar 2016	Canada F2, Sherbrooke	Futures	Hard (i)	Stefan Kozlov	6–4, 4–6, 4–6
Loss	2–4	Apr 2016	Greece F4, Heraklion	Futures	Hard	Yannick Mertens	2–6, 5–7
Win	3–4	Apr 2016	Greece F5, Heraklion	Futures	Hard	Jonny O'Mara	6–3, 4–6, 7–6(7–3)
Win	4–4	Sep 2017	Great Britain F4, Nottingham	Futures	Hard	Oliver Golding	5–7, 6–4, 6–4
Win	5–4	Jul 2018	USA F19B, Iowa City	Futures	Hard	Evgeny Karlovskiy	7–6(7–2), 7–6(7–1)
Loss	5–5	Sep 2018	Canada F7, Toronto	Futures	Hard	Nick Chappell	2–6, 0–6
Loss	5–6	May 2019	M15 Heraklion	Futures	Hard	Yshai Oliel	3–6, 4–6

Close

Doubles: 32 (16–16)

More information Result, W–L ...

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Aug 2015	Finland F2, Hyvinkää	Futures	Clay	Mikael Torpegaard	Romain Arneodo Maxime Janvier	7–6(7–3), 6–2
Win	2–0	Sep 2015	Great Britain F9, Nottingham	Futures	Hard	Joshua Ward-Hibbert	Daniel Cox David Rice	6–4, 3–6, [10–7]
Loss	2–1	Sep 2015	Spain F30, Sevilla	Futures	Clay	Joshua Ward-Hibbert	Marco Bortolotti Juan Lizariturry	3–6, 4–6
Win	3–1	Oct 2015	Greece F7, Heraklion	Futures	Hard	Joshua Ward-Hibbert	Peter Bothwell Toby Martin	6–3, 7–5
Win	4–1	Oct 2015	Greece F8, Heraklion	Futures	Hard	Joshua Ward-Hibbert	Corentin Denolly Alexandre Müller	Walkover
Loss	4–2	Nov 2015	Great Britain F10, Tipton	Futures	Hard (i)	Joshua Ward-Hibbert	Billy Harris Evan Hoyt	6–4, 3–6, [9–11]
Win	5–2	Nov 2015	Great Britain F11, Bath	Futures	Hard (i)	Joshua Ward-Hibbert	Sam Barry Filip Peliwo	6–4, 3–6, [10–2]
Win	6–2	Dec 2015	Tunisia F35, El Kantaoui	Futures	Hard	Peter Bothwell	Anis Ghorbel Vasko Mladenov	6–1, 6–4
Loss	6–3	Feb 2016	Great Britain F2, Sunderland	Futures	Hard (i)	Joshua Ward-Hibbert	Andrea Vavassori George Von Massow	5–7, 3–6
Loss	6–4	Mar 2016	Drummondville, Canada	Challenger	Hard (i)	Dan Evans	James Cerretani Max Schnur	6–3, 3–6, [9–11]
Loss	6–5	Apr 2016	Greece F4, Heraklion	Futures	Hard	Edward Corrie	Vladyslav Manafov Bradley Mousley	2–6, 3–6
Win	7–5	Apr 2017	USA F12, Memphis	Futures	Hard	Mackenzie McDonald	Philip Bester Alex Lawson	6–2, 7–6(7–3)
Loss	7–6	Jul 2017	Ireland F1, Dublin	Futures	Hard	Peter Bothwell	Scott Clayton Jonny O'Mara	1–6, 3–6
Loss	7–7	Jan 2019	M25 Tucson	Futures	Hard	Evan Hoyt	Aziz Dougaz Manuel Guinard	4–6, 7–5, [3–10]
Win	8–7	May 2019	M15 Heraklion	Futures	Hard	Aidan McHugh	Michail Pervolarakis Petros Tsitsipas	7–6(7–5), 7–6(7–2)
Win	9–7	Jul 2019	M25 Iowa City	Futures	Hard	Alejandro González	Jack Findel-Hawkins Mark Whitehouse	6–2, 6–1
Win	10–7	Oct 2019	M25 Norman	Futures	Hard	Sekou Bangoura	Hunter Johnson Yates Johnson	7–6(11–9), 6–2
Win	11–7	Jan 2020	M25 Rancho Santa Fe	Futures	Hard	Alex Lawson	Boris Arias Sekou Bangoura	6–1, 7–6(7–1)
Loss	11–8	Feb 2020	Columbus, United States	Challenger	Hard	Alex Lawson	Treat Huey Nathaniel Lammons	6–7(3–7), 6–7(4–7)
Loss	11–9	Oct 2020	Biella, Italy	Challenger	Clay	Alex Lawson	Harri Heliövaara Szymon Walków	5–7, 3–6
Loss	11–10	Oct 2020	Ismaning, Germany	Challenger	Hard (i)	Alex Lawson	Andre Begemann David Pel	7–5, 6–7(2–7), [4–10]
Loss	11–11	Oct 2020	Hamburg, Germany	Challenger	Hard (i)	Alex Lawson	Marc-Andrea Hüsler Kamil Majchrzak	3–6, 6–1, [18–20]
Loss	11–12	Nov 2020	Eckental, Germany	Challenger	Carpet	Alex Lawson	Dustin Brown Antoine Hoang	7–6(10–8), 5–7, [11–13]
Loss	11–13	Nov 2020	Maia, Portugal	Challenger	Clay	Harri Heliövaara	Zdeněk Kolář Andrea Vavassori	3–6, 4–6
Loss	11–14	Jan 2021	Istanbul, Turkey	Challenger	Hard (i)	Harri Heliövaara	André Göransson David Pel	6–4, 3–6, [8–10]
Loss	11–15	Feb 2021	Biella, Italy	Challenger	Hard (i)	Harri Heliövaara	Hugo Nys Tim Pütz	6–7(4–7), 3–6
Win	12–15	Feb 2021	Las Palmas, Spain	Challenger	Clay	Harri Heliövaara	Kimmer Coppejans Sergio Martos Gornés	7–5, 6–1
Win	13–15	Mar 2021	Biella, Italy	Challenger	Hard (i)	Matt Reid	Denys Molchanov Sergiy Stakhovsky	6–3, 6–4
Loss	13–16	Nov 2021	Bergamo, Italy	Challenger	Hard (i)	Harri Heliövaara	Zdeněk Kolář Jiří Lehečka	4-6, 4-6
Win	14–16	Nov 2021	Roanne, France	Challenger	Hard (i)	Harri Heliövaara	Romain Arneodo Albano Olivetti	7–6(7–5), 6–7(5–7), [12–10]
Win	15–16	Nov 2021	Bari, Italy	Challenger	Hard	Harri Heliövaara	Andrea Vavassori David Vega Hernández	6–3, 6–0
Win	16–16	May 2023	Bordeaux, France	Challenger	Clay	Harri Heliövaara	Sadio Doumbia Fabien Reboul	6–4, 6–2

Close