The Halle Open is a men's tennis tournament held in Halle, North Rhine-Westphalia, Germany. Held since 1993, the event is played on four outdoor grass courts and is a part of the ATP Tour 500 series on the ATP Tour schedule.

Between 1993 and 2018 it was sponsored by Gerry Weber. It was sponsored by Noventi from 2019 to 2021. In December 2021, a change of primary sponsor and name was announced. In 2022, the name of the ATP tournament was changed from the Noventi Open to the Terra Wortmann Open, as the company Wortmann AG secured the naming rights.

The Halle Open is held at the same time as the Queens Club Championships, and the two are seen as the primary warm-up tournaments for the Wimbledon Grand Slam tournament, also on grass courts, which begins towards the end of June. The event was upgraded in 2015 from a 250 series to a 500 series tournament.

The Centre Court (the OWL Arena) has 12,300 seats and a retractable roof which can be closed in 88 seconds so that tennis matches can continue with a closed roof when it begins to rain. The stadium is heated and also used for other sport events (handball, basketball, volleyball and boxing) and concerts.

In singles, Roger Federer (2003–06, 2008, 2013–15, 2017, 2019) holds the record for most overall titles (ten, out of thirteen finals), and most consecutive titles (four, in 2003–06). In doubles, Raven Klaasen (2015–16, 2019) and Marcelo Melo (2017–18, 2023) co-hold the record for most titles with three each, and co-hold the one for consecutive titles with Aisam-ul-Haq Qureshi (2011–12), Rajeev Ram (2015–16), Łukasz Kubot (2017–18) and Melo (2017–18), at two.

Year	Champion	Runner-up	Score
↓  ATP Tour 250  ↓
1993	Henri Leconte	Andrei Medvedev	6–2, 6–3
1994	Michael Stich	Magnus Larsson	6–4, 4–6, 6–3
1995	Marc Rosset	Michael Stich	3–6, 7–6, 7–6
1996	Nicklas Kulti	Yevgeny Kafelnikov	6–7, 6–3, 6–4
1997	Yevgeny Kafelnikov	Petr Korda	7–6, 6–7, 7–6
1998	Yevgeny Kafelnikov (2)	Magnus Larsson	6–4, 6–4
1999	Nicolas Kiefer	Nicklas Kulti	6–3, 6–2
2000	David Prinosil	Richard Krajicek	6–3, 6–2
2001	Thomas Johansson	Fabrice Santoro	6–3, 6–7, 6–2
2002	Yevgeny Kafelnikov (3)	Nicolas Kiefer	2–6, 6–4, 6–4
2003	Roger Federer	Nicolas Kiefer	6–1, 6–3
2004	Roger Federer (2)	Mardy Fish	6–0, 6–3
2005	Roger Federer (3)	Marat Safin	6–4, 6–7, 6–4
2006	Roger Federer (4)	Tomáš Berdych	6–0, 6–7, 6–2
2007	Tomáš Berdych	Marcos Baghdatis	7–5, 6–4
2008	Roger Federer (5)	Philipp Kohlschreiber	6–3, 6–4
2009	Tommy Haas	Novak Djokovic	6–3, 6–7, 6–1
2010	Lleyton Hewitt	Roger Federer	3–6, 7–6, 6–4
2011	Philipp Kohlschreiber	Philipp Petzschner	7–6, 2–0 retired
2012	Tommy Haas (2)	Roger Federer	7–6, 6–4
2013	Roger Federer (6)	Mikhail Youzhny	6–7, 6–3, 6–4
2014	Roger Federer (7)	Alejandro Falla	7–6, 7–6
↓  ATP Tour 500  ↓
2015	Roger Federer (8)	Andreas Seppi	7–6, 6–4
2016	Florian Mayer	Alexander Zverev	6–2, 5–7, 6–3
2017	Roger Federer (9)	Alexander Zverev	6–1, 6–3
2018	Borna Ćorić	Roger Federer	7–6, 3–6, 6–2
2019	Roger Federer (10)	David Goffin	7–6, 6–1
2020	Not held due to the coronavirus pandemic
2021	Ugo Humbert	Andrey Rublev	6–3, 7–6
2022	Hubert Hurkacz	Daniil Medvedev	6–1, 6–4
2023	Alexander Bublik	Andrey Rublev	6–3, 3–6, 6–3
2024	Jannik Sinner	Hubert Hurkacz	7–6, 7–6

Year	Champions	Runners-up	Score
↓  ATP Tour 250  ↓
1993	Petr Korda Cyril Suk	Mike Bauer Marc-Kevin Goellner	7–6, 5–7, 6–3
1994	Olivier Delaître Guy Forget	Henri Leconte Gary Muller	6–4, 6–7, 6–4
1995	Jacco Eltingh Paul Haarhuis	Yevgeny Kafelnikov Andrei Olhovskiy	6–2, 3–6, 6–3
1996	Byron Black Grant Connell	Yevgeny Kafelnikov Daniel Vacek	6–1, 7–5
1997	Karsten Braasch Michael Stich	David Adams Marius Barnard	7–6, 6–3
1998	Ellis Ferreira Rick Leach	John-Laffnie de Jager Marc-Kevin Goellner	4–6, 6–4, 7–6
1999	Jonas Björkman Patrick Rafter	Paul Haarhuis Jared Palmer	6–3, 7–5
2000	Nicklas Kulti Mikael Tillström	Mahesh Bhupathi David Prinosil	7–6, 7–6
2001	Daniel Nestor Sandon Stolle	Max Mirnyi Patrick Rafter	6–4, 6–7, 6–1
2002	David Prinosil David Rikl	Jonas Björkman Todd Woodbridge	4–6, 7–6, 7–5
2003	Jonas Björkman (2) Todd Woodbridge	Martin Damm Cyril Suk	6–3, 6–4
2004	Leander Paes David Rikl (2)	Tomáš Cibulec Petr Pála	6–2, 7–5
2005	Yves Allegro Roger Federer	Joachim Johansson Marat Safin	7–5, 6–7, 6–3
2006	Fabrice Santoro Nenad Zimonjić	Michael Kohlmann Rainer Schüttler	6–0, 6–4
2007	Simon Aspelin Julian Knowle	Fabrice Santoro Nenad Zimonjić	6–4, 7–6
2008	Mikhail Youzhny Mischa Zverev	Lukáš Dlouhý Leander Paes	3–6, 6–4, [10–3]*
2009	Christopher Kas Philipp Kohlschreiber	Andreas Beck Marco Chiudinelli	6–3, 6–4
2010	Sergiy Stakhovsky Mikhail Youzhny (2)	Martin Damm Filip Polášek	4–6, 7–5, [10–7]
2011	Rohan Bopanna Aisam-ul-Haq Qureshi	Robin Haase Milos Raonic	7–6, 3–6, [11–9]
2012	Aisam-ul-Haq Qureshi (2) Jean-Julien Rojer	Treat Conrad Huey Scott Lipsky	6–3, 6–4
2013	Santiago González Scott Lipsky	Daniele Bracciali Jonathan Erlich	6–2, 7–6
2014	Andre Begemann Julian Knowle (2)	Marco Chiudinelli Roger Federer	1–6, 7–5, [12–10]
↓  ATP Tour 500  ↓
2015	Raven Klaasen Rajeev Ram	Rohan Bopanna Florin Mergea	7–6, 6–2
2016	Raven Klaasen (2) Rajeev Ram (2)	Łukasz Kubot Alexander Peya	7–6, 6–2
2017	Łukasz Kubot Marcelo Melo	Mischa Zverev Alexander Zverev	5–7, 6–3, [10–8]
2018	Łukasz Kubot (2) Marcelo Melo (2)	Mischa Zverev Alexander Zverev	7–6, 6–4
2019	Raven Klaasen (3) Michael Venus	Łukasz Kubot Marcelo Melo	4–6, 6–3, [10–4]
2020	Not held due to the coronavirus pandemic
2021	Kevin Krawietz Horia Tecău	Félix Auger-Aliassime Hubert Hurkacz	7–6, 6–4
2022	Horacio Zeballos Marcel Granollers	Tim Pütz Michael Venus	6-4, 6-7, [14-12]
2023	Marcelo Melo (3) John Peers	Simone Bolelli Andrea Vavassori	7–6, 3–6, [10–6]
2024	Simone Bolelli Andrea Vavassori	Kevin Krawietz Tim Pütz	7–6, 7–6

Player	Singles	Doubles	Total	Years
Roger Federer (SUI) +	10	1	11	2003 (S), 2004 (S), 2005 (S), 2005 (D), 2006 (S), 2008 (S), 2013 (S), 2014 (S), 2015 (S), 2017 (S), 2019 (S)
Yevgeny Kafelnikov (RUS)	3	0	3	1997 (S), 1998 (S), 2002 (S)
Marcelo Melo (BRA) +	0	3	3	2017 (D), 2018 (D), 2023 (D)
Raven Klaasen (RSA) +	0	3	3	2015 (D), 2016 (D), 2019 (D)
Tommy Haas (GER) +	2	0	2	2009 (S), 2012 (S)
Nicklas Kulti (SWE)	1	1	2	1996 (S), 2000 (D)
David Prinosil (GER)	1	1	2	2000 (S), 2002 (D)
Philipp Kohlschreiber (GER) +	1	1	2	2009 (D), 2011 (S)
Jonas Björkman (SWE)	0	2	2	1999 (D), 2003 (D)
David Rikl (CZE)	0	2	2	2002 (D), 2004 (D)
Mikhail Youzhny (RUS) +	0	2	2	2008 (D), 2010 (D)
Aisam-ul-Haq Qureshi (PAK) +	0	2	2	2011 (D), 2012 (D)
Julian Knowle (AUT) +	0	2	2	2007 (D), 2014 (D)
Rajeev Ram (USA) +	0	2	2	2015 (D), 2016 (D)
Łukasz Kubot (POL) +	0	2	2	2017 (D), 2018 (D)

Country	Singles	First	Last	Doubles	First	Last	Overall
Germany (GER)	7	1994	2016	6	1997	2021	13
Switzerland (SUI)	11	1995	2019	1	2005	2005	12
Sweden (SWE)	2	1996	2001	4	1999	2007	6
Russia (RUS)	3	1997	2002	2	2008	2010	5
Australia (AUS)	1	2010	2010	4	1999	2023	5
France (FRA)	2	1993	2021	2	1994	2006	4
Czech Republic (CZE)	1	2007	2007	3	1993	2004	4
South Africa (RSA)	0	—	—	4	1998	2019	4
United States (USA)	0	—	—	4	1998	2016	4
Brazil (BRA)	0	—	—	3	2017	2023	3
Poland (POL)	1	2022	2022	2	2017	2018	3
Italy (ITA)	1	2024	2024	1	2024	2024	2
Canada (CAN)	0	—	—	2	1996	2001	2
India (IND)	0	—	—	2	2004	2011	2
Netherlands (NED)	0	—	—	2	1995	2012	2
Pakistan (PAK)	0	—	—	2	2011	2012	2
Austria (AUT)	0	—	—	2	2007	2014	2
Kazakhstan (KAZ)	1	2023	2023	0	—	—	1
Croatia (CRO)	1	2018	2018	0	—	—	1
New Zealand (NZL)	0	—	—	1	2019	2019	1
Zimbabwe (ZIM)	0	—	—	1	1996	1996	1
Serbia (SER)	0	—	—	1	2006	2006	1
Ukraine (UKR)	0	—	—	1	2010	2010	1
Mexico (MEX)	0	—	—	1	2013	2013	1
Romania (ROU)	0	—	—	1	2021	2021	1

52°03′48″N 8°21′02″E / 52.06333°N 8.35056°E / 52.06333; 8.35056

• Official tournament website
• ATP tournament profile