The 2016 ATP Shenzhen Open was a professional men's tennis tournament played on hard courts. It was the third edition of the tournament, and part of the ATP World Tour 250 series of the 2016 ATP World Tour. It took place at the Shenzhen Longgang Tennis Centre in Shenzhen, China from September 26 to October 2.
The 2018 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the 3rd edition of the Chengdu Open and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from September 24 to 30.
The 2019 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the 4th edition of the Chengdu Open and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from September 23 to 29.
The 2019 Ningbo Challenger was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Ningbo, China between 14 and 20 October 2019.
The 2019 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the third (men) and fourth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Shenzhen, China between 28 October and 10 November 2019.
The 2021 Monte-Carlo Masters was a tennis tournament for male professional players played on outdoor clay courts. It was the 114th edition of the annual Monte Carlo Masters tournament. It took place at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France as a part of the Masters 1000 event on the 2021 ATP Tour.
The 2021 MercedesCup was a men's tennis tournament played on outdoor grass courts. It was the 43rd edition of the Stuttgart Open, and part of the ATP Tour 250 series of the 2021 ATP Tour. It was held at the Tennis Club Weissenhof in Stuttgart, Germany, from 8 June until 13 June 2021. Unseeded Marin Čilić won the singles title.
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 2022 Adelaide International 2 was a tennis tournament on the 2022 ATP Tour and 2022 WTA Tour. It was a combined ATP Tour 250 and WTA 250 tournament played on outdoor hard courts at the Memorial Drive Tennis Centre in Adelaide, South Australia, Australia. This was the fourth edition of the tournament for the women and the third edition for the men.
The 2022 Serbia Open was a tennis tournament played on outdoor clay courts. It was the 6th edition of the tournament and was classified as an ATP Tour 250 event on the 2022 ATP Tour. The event took place in Belgrade, Serbia, from 18 to 24 April 2022.
The 2022 Halle Open was a tennis tournament played on outdoor grass courts. It was the 29th edition of the Halle Open and part of the ATP Tour 500 series of the 2022 ATP Tour. It took place at the OWL Arena in Halle, Germany, between 13 and 19 June 2022.
The 2022 Atlanta Open was a professional tennis tournament played on hard courts. It was the 34th edition of the tournament, and part of the 2022 ATP Tour. It took place at Atlantic Station in Atlanta, United States between July 24 and 31, 2022.
The 2022 Chicago Men's Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Chicago, United States between 8 and 14 August 2022.
The 2022 Korea Open was a combined ATP Tour and WTA Tour tennis tournament took place at the Olympic Park Tennis Center in Seoul, South Korea on outdoor hard courts from 19 to 25 September 2022 for the women and from 26 September to 2 October 2022 for the men. It was the 18th edition of the women's tournament, and the first edition of the men's tournament since 1996. The tournament was a WTA 250 event on the 2022 WTA Tour, and a ATP Tour 250 event on the 2022 ATP Tour after several tournaments in China were cancelled because of the ongoing COVID-19 pandemic.
The 2023 Geneva Open was a men's tennis tournament played on outdoor clay courts. It was the 20th edition of the Geneva Open and part of the ATP Tour 250 series of the 2023 ATP Tour. It took place at the Tennis Club de Genève in Geneva, Switzerland, from 21 to 27 May, 2023.
The 2023 Halle Open was a tennis tournament played on outdoor grass courts. It was the 30th edition of the Halle Open and part of the ATP Tour 500 series of the 2023 ATP Tour. It took place at the OWL Arena in Halle, Germany, between 19 and 25 June 2023.
The 2023 Astana Open is a professional men's tennis tournament to be held on indoor hard courts. It will be the fourth edition of the Astana Open and part of the ATP Tour 250 Series of 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.
Alexander Zverev defeated Roman Safiullin in the final, 6–7(2–7), 7–6(7–5), 6–3 to win the singles tennis title at the 2023 Chengdu Open. Zverev's victory earned him his 21st career ATP Tour singles title, while Safiullin competed in his maiden tour-level final.
The 2023 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the fourth (men) and fifth (women) editions of the tournament which was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in Shenzhen, China between 10 and 22 October 2023.
Alexander Zverev 
Sadio Doumbia / 
