The 2020 Challenger Ciudad de Guayaquil is a professional tennis tournament played on clay courts. It is the sixteenth edition of the tournament which is part of the 2020 ATP Challenger Tour. It will take place in Guayaquil, Ecuador between 16 and 23 November 2020.
The 2020 Lima Challenger was a professional tennis tournament played on clay courts. It was the fourteenth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Lima, Peru between 23 and 29 November 2020.
The 2021 Saint Petersburg Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Saint Petersburg, Russia between 1 and 7 March 2021.
The 2021 Saint Petersburg Challenger II was a professional tennis tournament played on hard courts. It was the second edition of the Saint Petersburg Challenger which was part of the 2021 ATP Challenger Tour. It took place in Saint Petersburg, Russia between 8 and 14 March 2021.
The 2021 Open de Oeiras IV was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Oeiras, Portugal between 24 and 30 May 2021.
The 2021 Almaty Challenger was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Almaty, Kazakhstan between 7 and 13 June 2021.
The 2021 Almaty Challenger II was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Almaty, Kazakhstan between 14 and 20 June 2021.
The 2021 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the second edition of the Challenger tournament which was part of the 2021 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 12 and 18 July 2021.
The 2021 Meerbusch Challenger was a professional tennis tournament played on clay courts. It was the eighth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Meerbusch, Germany, between 9 and 15 August 2021.
The 2021 Pekao Szczecin Open was a professional tennis tournament played on clay courts. It was the 28th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Szczecin, Poland between 13 and 19 September 2021.
The 2021 Braga Open was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Braga, Portugal between 20 and 26 September 2021.
The 2021 Challenger Ciudad de Guayaquil was a professional tennis tournament played on clay courts. It was the seventeenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Guayaquil, Ecuador between 1 and 7 November 2021.
The 2022 ABN AMRO Rotterdam was a men's tennis tournament played on indoor hard courts. It took place at the Rotterdam Ahoy in the Dutch city of Rotterdam, between 7 and 13 February 2022. It was the 49th edition of the Rotterdam Open, and part of the ATP Tour 500 series on the 2022 ATP Tour. The tournament also includes a Men's Wheelchair Tennis Singles and Doubles draw.
The 2022 Santa Cruz Challenger II, also known as Dove MEN + CARE Bolivia Open to differentiate it from the previous edition played the same year, was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Santa Cruz de la Sierra, Bolivia between 21 and 27 March 2022.
The 2022 Garden Open was a professional tennis tournament played on clay courts. It was the fourteenth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Rome, Italy between 25 April and 1 May 2022.
The 2022 Libéma Open was a professional tennis tournament played on the outdoor grass courts at Autotron Rosmalen in Rosmalen, 's-Hertogenbosch, Netherlands from 6 June to 12 June 2022. It was the 31st edition of the Rosmalen Grass Court Championships and was classified as an ATP 250 event on the men's 2022 ATP Tour and a WTA 250 event on the women's 2022 WTA Tour. The tournament was previously held in 2019 after the COVID-19 pandemic forced the double postponement of the event.
The 2022 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the third edition of the Challenger tournament which was part of the 2022 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 11 and 17 July 2022.
The 2022 European Open was a men's tennis tournament played on indoor hard courts. It was the seventh edition of the European Open and part of the ATP Tour 250 series of the 2022 ATP Tour. It took place at the Lotto Arena in Antwerp, Belgium, from 17 October until 23 October 2022.
The 2022 Lima Challenger II was a professional tennis tournament played on clay courts. It was the 18th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Lima, Peru between 24 and 30 October 2022.
The 2023 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the fourth edition of the Challenger tournament which was part of the 2023 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 17 and 23 July 2023.
Mats Moraing 
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