The 2014 ATP Shenzhen Open was a professional men's tennis tournament played on hard courts. This was the inaugural edition of the tournament, which was part of the ATP World Tour 250 series of the 2014 ATP World Tour. It took place at the Shenzhen Longgang Tennis Centre in Shenzhen, China from September 22 to September 28.
The 2016 Sofia Open was a men's tennis tournament played on indoor hard courts. It was the inaugural edition of the Sofia Open as part of the ATP World Tour 250 series of the 2016 ATP World Tour. It took place at the Arena Armeec in Sofia, Bulgaria, from 1 February until 7 February 2016. First-seeded Roberto Bautista Agut won the singles title.
The 2017 Sofia Open was a men's tennis tournament played on indoor hard courts. It was the second edition of the Sofia Open as part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place at the Arena Armeec in Sofia, Bulgaria, from 5 February until 12 February 2017. Third-seeded Grigor Dimitrov won the singles title.
The 2017 Geneva Open was a men's tennis tournament played on outdoor clay courts. It was the 15th edition of the Geneva Open and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place at the Tennis Club de Genève in Geneva, Switzerland, from May 21 through May 27, 2017.
The 2018 Sofia Open was a men's tennis tournament played on indoor hard courts. It was the third edition of the Sofia Open as part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Arena Armeec in Sofia, Bulgaria, from 5 February until 11 February 2018. Unseeded Mirza Bašić, who entered the main draw as a qualifier, won the singles title.
The 2018 Swiss Open Gstaad was a men's tennis tournament played on outdoor clay courts. It was the 51st edition of the Swiss Open, and part of the ATP World Tour 250 Series of the 2018 ATP World Tour. It took place at the Roy Emerson Arena in Gstaad, Switzerland, from 23 July through 29 July 2018.
The 2018 Internazionali di Tennis Castel del Monte was a professional tennis tournament played on indoor carpet courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Andria, Italy between November 19 and November 25, 2018.
The 2019 Sofia Open was a men's tennis tournament to be played on indoor hard courts. It was the fourth edition of the Sofia Open as part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at the Arena Armeec in Sofia, Bulgaria, from 5 February until 11 February 2019. Third-seeded Daniil Medvedev won the singles title.
The 2019 Hungarian Open was a men's tennis tournament to be played on outdoor clay courts. It was the 3rd edition of the event, and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at Sport 11 in Budapest, Hungary, from April 22–28.
The 2019 Lyon Open was a men's tennis tournament played on outdoor clay courts. It was the third edition of the Lyon Open and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place in the city of Lyon, France, from 19 May through 25 May 2019. Unseeded Benoît Paire won the singles title.
The 2019 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 45th edition of the event, and part of the ATP Tour 500 Series of the 2019 ATP Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 21 October until 27 October 2019.
The 2020 Generali Open Kitzbühel was a tennis tournament played on outdoor clay courts. It is the 76th edition of the Austrian Open Kitzbühel, and part of the ATP Tour 250 series of the 2020 ATP Tour. It will take place at the Tennis stadium Kitzbühel in Kitzbühel, Austria, from 6 to 13 September.
Daniil Medvedev was the defending champion, but chose not to defend his title.
The 2021 Antalya Open was a men's tennis tournament played on outdoor hard courts. It was the 4th edition of the event and part of the ATP Tour 250 series of the 2021 ATP Tour. The tournament took place in Antalya, Turkey, from January 7 to 13.
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.
Matteo Berrettini defeated Cameron Norrie in the final, 6–4, 6–7(5–7), 6–3, to win the singles tennis title at the 2021 Queen's Club Championships. Berrettini's win earned him his fourth career ATP Tour singles title, his first ATP 500 victory, and also made him the first player to win the tournament on their main draw debut since Boris Becker in 1985. Norrie was contesting for his first title in his fourth career final.
The 2021 Sofia Open was a men's tennis tournament played on indoor hard courts. It was the sixth edition of the Sofia Open as part of the ATP World Tour 250 series of the 2021 ATP Tour. It was played at the Arena Armeec in Sofia, Bulgaria, from 27 September to 3 October 2021. First-seeded Jannik Sinner won the singles title.
The 2022 Sofia Open was a tennis tournament to be played on indoor hard courts. It was the 7th edition of the Sofia Open as part of the ATP World Tour 250 series of the 2022 ATP Tour. It was played at the Arena Armeec in Sofia, Bulgaria, from 26 September to 2 October 2022.
The 2022 Astana Open was a professional men's tennis tournament to be held on indoor hard courts. It was the third edition of the Astana Open and part of the ATP Tour 500 Series of the 2022 ATP Tour.
The 2023Sofia Open is a men's tennis tournament to be played on indoor hard courts. It will be its eighth edition of the event and it is as part of the ATP 250 tournaments on the 2023 ATP Tour. It will be played at the Arena Sofia in Sofia, Bulgaria, from 5 November to 11 November 2023. The tournament replaced the 2023 edition of the Tel Aviv Open, which was canceled due to the 2023 Israel–Hamas war.
Jannik Sinner [1] 
Jamie Murray / 
