The 2015 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 41st edition of the event, and part of the ATP World Tour 500 Series of the 2015 ATP World Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 19 October until 25 October 2015. First-seeded David Ferrer won the singles title.
The 2021 Queen's Club Championships was a tennis tournament played on outdoor grass courts at the Queen's Club in London, United Kingdom from 14 to 20 June 2021. It was the 118th edition of the event and part of the ATP Tour 500 series of the 2021 ATP Tour.
The 2021 Generali Open Kitzbühel is a tennis tournament played on outdoor clay courts. It is the 77th edition of the Austrian Open Kitzbühel, and part of the World Tour 250 series of the 2021 ATP Tour. It will take place at the Tennis stadium Kitzbühel in Kitzbühel, Austria, from 24 through 31 July 2021.
The 2021 Winston-Salem Open was a men's tennis tournament played on outdoor hard courts. It was the 52nd edition of the Winston-Salem Open, and part of the ATP Tour 250 Series of the 2021 ATP Tour. It took place at Wake Forest University in Winston-Salem, North Carolina, United States, from August 21 through August 28, 2021. It was the last event on the 2021 US Open Series before the 2021 US Open.
The 2021 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 47th edition of the event, and part of the ATP Tour 500 Series of the 2021 ATP Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 25 until 31 October 2021. Second-seeded Alexander Zverev won the singles title.
The 2021 Sparkassen ATP Challenger was a professional tennis tournament played on indoor hard courts in Ortisei, Italy between 8 and 14 November 2021. It was the twelfth edition of the tournament and was part of the 2021 ATP Challenger Tour.
The 2022 Ostra Group Open was a professional tennis tournament played on clay courts. It was the 19th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 25 April and 1 May.
The 2022 Queen's Club Championships was a men's professional tennis tournament played on outdoor grass courts at the Queen's Club in London, United Kingdom from 13 to 19 June 2022. It was the 119th edition of the event and was classified as an ATP Tour 500 tournament on the 2022 ATP Tour.
The 2022 Mallorca Championships was a men's tennis tournament to be played on outdoor grass courts. It was the second edition of the Mallorca Championships, and part of the ATP Tour 250 series of the 2022 ATP Tour. It was held at the Santa Ponsa Tennis Academy in Santa Ponsa, Spain, from 20 June until 26 June 2022.
The 2022 Salzburg Open was a professional tennis tournament played on outdoor clay courts. It was the second edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Anif (Salzburg), Austria between 4 and 10 July 2022.
The 2022 Tampere Open was a professional tennis tournament played on clay courts. It was the 40th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Tampere, Finland, between 18–24 July 2022.
The 2022 Città di Como Challenger was a professional tennis tournament played on clay courts. It was the sixteenth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Como, Italy between 29 August and 4 September 2022.
The 2022 NÖ Open 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 Tulln an der Donau, Austria between 5 and 10 September 2022.
The 2022 Erste Bank Open was a men's tennis tournament to be played on indoor hard courts. It was the 48th edition of the event, and part of the ATP Tour 500 Series of the 2022 ATP Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 24 until 30 October 2022.
The 2023 Queen's Club Championships was a men's professional tennis tournament played on outdoor grass courts at the Queen's Club in London, United Kingdom from 19 to 25 June 2023. It was the 120th edition of the event and was classified as an ATP Tour 500 tournament on the 2023 ATP Tour.
The 2023 China Open was a professional tennis tournament played on outdoor hard courts. It was the 22nd edition of the China Open for the men and the 24th for the women. The tournament is categorized as an ATP 500 event on the 2023 ATP Tour, and as a WTA 1000 event on the 2023 WTA Tour. Both the men's and the women's tournaments were held at the National Tennis Center in Beijing from 28 September to 4 October for the men, and from 30 September to 8 October for the women. This was the first edition of the China Open since 2019, with the intervening editions cancelled due to the COVID-19 pandemic.
The 2023 Rolex Paris Masters was a professional men's tennis tournament played on indoor hard courts. It was the 51st edition of this Masters 1000 event on the 2023 ATP Tour. It took place at the Accor Arena in Paris from 30 October to 5 November 2023.
The 2024 Rio Open, also known as Rio Open presented by Claro for sponsorship reasons, was a professional men's tennis tournament played on outdoor clay courts. It was the 10th edition of the Rio Open, and part of the ATP Tour 500 tournaments of the 2024 ATP Tour. It took place in Rio de Janeiro, Brazil between February 19–25, 2024.
The 2024 Grand Prix Hassan II was a professional men's tennis tournament played in Marrakesh, Morocco on clay courts. It was the 38th edition of the tournament and was classified as an ATP Tour 250 event on the 2024 ATP Tour. It took place from 1 April until 7 April 2024. Unseeded Matteo Berrettini won the singles title.
The 2024 Mallorca Championships is a men's tennis tournament to be played on outdoor grass courts. It will be the fourth edition of the Mallorca Championships, and part of the ATP 250 tournaments of the 2024 ATP Tour. It will be held at the Santa Ponsa Tennis Academy in Santa Ponsa, Spain, from 23 to 29 June 2024.
Tommy Paul 
Neal Skupski / 
Michael Venus 
