The 2015 Istanbul Open was a men's tennis tournament played on outdoor clay courts. It was part of the 2015 ATP World Tour. It was the first edition of the Istanbul Open, and an ATP World Tour 250 event. It took place at the Koza World of Sports Arena in Istanbul, Turkey, from 27 April through 3 May 2015.
The 2016 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts from August 15–21, 2016. It was a Masters 1000 tournament on the 2016 ATP World Tour and a WTA Premier 5 tournament on the 2016 WTA Tour. The tournament was one of two headline events in the 2016 US Open Series. The 2016 tournament was the 115th men's edition and the 88th women's edition of the Cincinnati Masters. The tournament is held annually at the Lindner Family Tennis Center in Mason, Ohio, United States.
The 2016 Erste Bank Open 500 was a tennis tournament played on indoor hard courts. It was the 42nd edition of the event, and part of the ATP World Tour 500 Series of the 2016 ATP World Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from October 24 through October 30, 2016.
The 2017 Apia International Sydney was a joint 2017 ATP World Tour and 2017 WTA Tour tennis tournament, played on outdoor hard courts in Sydney, New South Wales (NSW). It was the 124th edition of the tournament and took place at the NSW Tennis Centre in Sydney, Australia. It was held from 8 January through 14 January 2017 as part of the Australian Open Series in preparation for the first Grand Slam of the year.
The 2017 Delray Beach Open was a professional tennis tournament played on hard courts. It was the 25th edition of the tournament, and part of the 2017 ATP World Tour. It took place in Delray Beach, United States between 20 February and 26 February 2017.
The 2017 BNP Paribas Open was a professional tennis tournament played at Indian Wells, California in March 2017. It was the 44th edition of the men's event and 29th of the women's event, and was classified as an ATP World Tour Masters 1000 event on the 2017 ATP World Tour and a Premier Mandatory event on the 2017 WTA Tour. Both the men's and the women's events took place at the Indian Wells Tennis Garden in Indian Wells, California, from March 6 through March 19, 2017, on outdoor hard courts.
Kei Nishikori was the four-time defending champion, but chose to compete in Buenos Aires instead.
The 2017 Miami Open presented by Itaú was a professional men and women's tennis tournament played on outdoor hard courts. It was the 32nd edition of the Miami Open, and part of the Masters 1000 category on the 2017 ATP World Tour, and of the Premier Mandatory category on the 2017 WTA Tour. All men and women's events took place at the Tennis Center at Crandon Park in Key Biscayne, Florida, United States, from March 20 through April 2, 2017.
The 2017 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts from August 14–20, 2017. It was a Masters 1000 tournament on the 2017 ATP World Tour and a WTA Premier 5 tournament on the 2017 WTA Tour. The tournament was one of two headline events in the 2017 US Open Series. The 2017 tournament was the 116th men's edition and the 89th women's edition of the Cincinnati Masters. The tournament was held annually at the Lindner Family Tennis Center in Mason, a northern suburb of Cincinnati, in the United States.
The 2017 Winston–Salem Open was a men's tennis tournament played on outdoor hard courts. It was the 49th edition of the Winston-Salem Open, and part of the ATP World Tour 250 Series of the 2017 ATP World Tour. It took place at Wake Forest University in Winston-Salem, North Carolina, United States, from August 20 through August 26, 2017. It was the last event on the 2017 US Open Series before the 2017 US Open.
The 2017 Shanghai Rolex Masters was a tennis tournament played on outdoor hard courts. It was the ninth edition of the Shanghai ATP Masters 1000, classified as an ATP World Tour Masters 1000 event on the 2017 ATP World Tour. It was taking place at Qizhong Forest Sports City Arena in Shanghai, China from October 8 to 15, 2017.
The 2018 New York Open was a men's tennis tournament played on indoor hard courts. It was the first edition of the event in New York after it moved from Memphis, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. The event took place at the Nassau Veterans Memorial Coliseum in Uniondale, New York, United States, from February 12 through 18, 2018. The tournament was the first on the ATP World Tour to use black tennis courts.
The 2018 Mexican Open was a professional tennis tournament played on outdoor hard courts. It was the 25th edition of the men's tournament, and part of the 2018 ATP World Tour and the 2018 WTA Tour. It took place in Acapulco, Mexico between 26 February and 3 March 2018, at the Princess Mundo Imperial.
The 2018 Mutua Madrid Open was a professional tennis tournament played on outdoor clay courts at the Park Manzanares in Madrid, Spain from 5–13 May 2018. It was the 17th edition of the event on the ATP World Tour and 10th on the WTA Tour. It was classified as an ATP World Tour Masters 1000 event on the 2018 ATP World Tour and a Premier Mandatory event on the 2018 WTA Tour.
The 2018 Italian Open was a professional tennis tournament played on outdoor clay courts at the Foro Italico in Rome, Italy from 14 to 20 May 2018. It was the 75th edition of the Italian Open and it is classified as an ATP World Tour Masters 1000 event on the 2018 ATP World Tour and a Premier 5 event on the 2018 WTA Tour.
The 2018 Gerry Weber Open was a tennis tournament played on outdoor grass courts. It was the 26th edition of the event and part of the ATP World Tour 500 series of the 2018 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 18 and 24 June 2018.
The 2018 German Open was a men's tennis tournament played on outdoor red clay courts. It was the 112th edition of the German Open Tennis Championships and part of the ATP World Tour 500 series of the 2018 ATP World Tour. It took place at the Am Rothenbaum in Hamburg, Germany, from July 23 through 29, 2018.
The 2018 China Open was a tennis tournament played on outdoor hard courts. It was the 19th edition of the China Open for the men. It was part of ATP World Tour 500 series on the 2018 ATP World Tour, and the last WTA Premier Mandatory tournament of the 2018 WTA Tour. Both the men's and the women's events were held at the National Tennis Center in Beijing, China, from October 1 to October 7, 2018.
The 2021 Qatar Open was the 29th edition of the Qatar Open, a men's tennis tournament which is played on outdoor hard courts. It was part of the ATP Tour 250 of the 2021 ATP Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar from 8 to 14 March 2021. The tournament was awarded the Tournament of the Year award in the 250 category from the 2019 ATP Awards for the third time in five years.
The 2022 Qatar Open was the 30th edition of the Qatar Open, a men's tennis tournament played on outdoor hard courts. It was part of the ATP Tour 250 of the 2022 ATP Tour, and took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar from 14 to 19 February 2022.
Ryan Harrison 
Nikola Mektić 
