The 2014 Delray Beach International Tennis Championships is a professional tennis tournament played on hard courts. It is the 22nd edition of the tournament, and was part of the World Tour 250 series of the 2014 ATP World Tour. It took place in Delray Beach, Florida in the United States between February 17 and February 23, 2013. Seventh-seeded Marin Čilić won the singles title.
The 2015 Memphis Open was a tennis tournament, played on indoor hard courts. It was the 41st edition of the event known that year as the Memphis Open, and part of the ATP World Tour 250 series of the 2015 ATP World Tour. It took place at the Racquet Club of Memphis in Memphis, United States, from 9 through 15 February 2015. First-seeded Kei Nishikori won his third consecutive singles title at the event.
The 2015 Malaysian Open, Kuala Lumpur was a men's professional tennis tournament played on hard courts. It was the seventh edition of the tournament, and part of the 2015 ATP World Tour. It took place in Kuala Lumpur, Malaysia between 28 September and 4 October 2015. First-seeded David Ferrer won the singles title.
The 2016 Memphis Open was a tennis tournament, played on indoor hard courts. It was the 41st edition of the event known that year as the Memphis Open, and part of the ATP World Tour 250 series of the 2016 ATP World Tour. It took place at the Racquet Club of Memphis in Memphis, Tennessee, United States, from 8 through 14 February 2016. First-seeded Kei Nishikori won his fourth consecutive singles title at the event.
The 2016 Erste Bank Open 500 was a men's 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 24 October through 30 October 2016. First-seeded Andy Murray won the singles title.
The 2017 Delray Beach Open was a professional men's tennis tournament played on outdoor hard courts. It was the 25th edition of the tournament, and was part of the World Tour 250 series of the 2017 ATP World Tour. It took place in Delray Beach, United States between February 20 and February 26, 2017. Third-seeded Jack Sock won the singles title.
The 2017 BNP Paribas Open was a professional tennis tournament played at Indian Wells, California in the United States. 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 Grand Prix Hassan II was a professional men's tennis tournament played on clay courts. It was the 33rd edition of the tournament and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place in Marrakesh, Morocco between 10 April and 16 April 2017. Unseeded Borna Ćorić won the singles title.
The 2017 Aegon Championships, also known traditionally as the Queen's Club Championships, was a men's tennis tournament played on outdoor grass courts. It was the 115th edition of those championships and part of the ATP World Tour 500 series of the 2017 ATP World Tour. It took place at the Queen's Club in London, United Kingdom from 19 June until 25 June 2017. Unseeded Feliciano López won the singles title.
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 2017 European Open was a men's tennis tournament played on indoor hard courts. It was the second edition of the European Open and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It was taking place at the Lotto Arena in Antwerp, Belgium, from October 16 to October 22.
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 men's 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 June and 24 June 2018. Unsedeed Borna Ćorić won the singles title.
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 2018 Erste Bank Open 500 was a men's tennis tournament played on indoor hard courts. It was the 44th edition of the event, and part of the ATP World Tour 500 Series of the 2018 ATP World Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 22 October until 28 October 2018. Second-seeded Kevin Anderson won the singles title.
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 2021 Halle Open was a men's tennis tournament played on outdoor grass courts. It was the 28th edition of the Halle Open and part of the ATP Tour 500 series of the 2021 ATP Tour. It took place at the OWL Arena in Halle, Germany, between 14 June and 20 June 2021. Unseeded Ugo Humbert won the singles title.
Ryan Harrison [1] 
Nikola Mektić [2] 
