Grigor Dimitrov Dimitrov is a Bulgarian professional tennis player. He has been ranked as high as world No. 3 in singles by the Association of Tennis Professionals (ATP), which he first achieved on 20 November 2017, making him the highest-ranked Bulgarian player in history. Dimitrov achieved the ranking after winning the biggest title of his career at the season-ending ATP Finals. He has won eight ATP Tour singles titles to date.
Cedrik-Marcel Stebe is a German professional tennis player. He reached his career-high singles ranking of world No. 71 in February 2012.
The 2011 Malaysian Open was a men's tennis tournament played on indoor hard courts. It was the third edition of the Proton Malaysian Open, and was classified as an ATP World Tour 250 Series of the 2011 ATP World Tour. It took place at the Bukit Jalil Sports Complex in Kuala Lumpur, Malaysia. Janko Tipsarević won the singles title.
Dimitar Kuzmanov is a Bulgarian professional tennis player. He competes mostly on the ATP Challenger Tour. His highest singles ranking is No. 159 achieved on 29 August 2022, whilst his best doubles ranking is No. 438 achieved on 1 April 2019.
The 2014 Aegon Championships was a men's tennis tournament played on outdoor grass courts. It was the 112th edition of those championships and was part of the ATP World Tour 250 series of the 2014 ATP World Tour. It took place at the Queen's Club in London, United Kingdom between 9 June and 15 June 2014. The singles title was one by fourth-seeded Grigor Dimitrov.
The 2014 Gerry Weber Open was a tennis tournament played on outdoor grass courts. It was the 22nd edition of the event known that year as the Gerry Weber Open and was part of the ATP World Tour 250 series of the 2014 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 9 June and 15 June 2014. Second-seeded Roger Federer won his seventh singles title at the event.
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 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 2016 Istanbul Open was a men's tennis tournament played on outdoor clay courts. It was the second 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 25 April – 1 May 2016.
Marko Tepavac is a Serbian professional tennis player, mainly competing on the ATP Challenger Tour.
The 2016 Kremlin Cup was a tennis tournament played on indoor hard courts. It was the 27th edition of the Kremlin Cup for the men and the 21st edition for the women. The tournament was part of the ATP World Tour 250 Series of the 2016 ATP World Tour, and of the Premier series of the 2016 WTA Tour. It was held at the Olympic Stadium in Moscow, Russia, from 17 October through 23 October 2016.
Roberto Bautista Agut was the defending champion, but lost in the semifinals to David Goffin.
The 2017 Antalya Open was a men's tennis tournament played on grass courts. It was the 1st edition of the Antalya Open, and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place at the Kaya Palazzo Resort in Belek, Antalya Province, Turkey, from June 25–July 1.
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 Antalya Open was a men's tennis tournament played on grass courts. It was the 2nd edition of the event, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Kaya Palazzo Resort in Belek, Antalya Province, Turkey, from June 24–30.
The 2018 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 23rd edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2018 ATP World Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from September 17 through 23, 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 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 Trofeo Faip–Perrel was a professional tennis tournament played on hard courts. It was the seventeenth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Bergamo, Italy between 31 October and 6 November 2022.
The 2023 Sofia Open is a men's tennis tournament to be played on indoor hard courts. It will be the 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.
Grigor Dimitrov [1] 
Viktor Troicki / 
