The Queen's Club Championships is an annual tournament for men's tennis, held on grass courts at the Queen's Club in West Kensington, London. The event is part of the ATP Tour 500 series on the Association of Tennis Professionals (ATP) Tour. It is currently advertised as the "cinch Championships" after its title sponsor.
The Qatar Open, currently known as the Qatar ExxonMobil Open for sponsorship reasons, is a professional tennis tournament played on outdoor hard courts. It is currently part of the ATP Tour 250 series of the Association of Tennis Professionals (ATP) Tour. It is held annually in January at the Khalifa International Tennis and Squash Complex in Doha, Qatar, since 1993. From 2025, this tournament will be upgraded to an ATP 500 level event.
The Romanian Open is a professional men's tennis tournament played on outdoor clay courts. It was the successor event to the earlier Romanian International Championships (1930–1983). It is part of the ATP 250 tournaments of the ATP Tour. It was held annually in Bucharest, Romania, between 1993 and 2016 and revived in 2024. Its name is taken from Romania's famous tennis players Ilie Năstase and Ion Țiriac.
The Zagreb Indoors was a men's tennis event on the ATP Tour held in the Croatian capital of Zagreb, other than in 1998 when it was held in Split. From 1996-1998 the tournament was named the Croatian Indoors. From 2009 until 2015, it was a part of the ATP 250 Series and offered 250 ranking points. The tournament was played on a fast and hard indoor surface (RuKort) and featured both men's singles and men's doubles tournament.
The Rosmalen Grass Court Championships, branded by its sponsored name as the Libéma Open since 2018,, is a professional tennis tournament held in the town of Rosmalen, on the outskirts of the city of 's-Hertogenbosch in the Netherlands. The men's and women's tennis matches are played on grass courts at the Autotron convention center. It is classified as an ATP 250 event on the men's ATP Tour and a WTA 250 event on the women's WTA Tour.
The Open Sud de France is a professional tennis tournament played on indoor hard courts. It is currently part of the ATP Tour 250 series of the ATP Tour. Founded in 1987, it was held annually in October at the Palais des Sports de Gerland in Lyon until 2009, before being relocated to Montpellier in 2010. The tournament takes place at the Montpellier Arena, holding 7,500 spectators.
The U.S. National Indoor Championships was a tennis tournament that was last held at the Racquet Club of Memphis in Memphis, Tennessee, United States. Also known as the U.S. International Indoor Championships. The event was played on indoor hard courts and usually took place in February. For much of its more than 100-year history it was a combined men's and women's tournament but in 2014, its final year, only a men's tournament was held. The event was previously known under various sponsored names including the Memphis Open, the Regions Morgan Keegan Championships, the Kroger St. Jude Championship, and the Volvo Championships. It was called throughout most of its history the National Indoor Championships.
The Grand Prix Hassan II is an annual men's tennis tournament on the ATP Tour and is currently part of the ATP Tour 250 series. The event is played on clay courts and was held annually at the Complexe Al Amal in Casablanca, Morocco through 2015, before relocating to Marrakesh in 2016. Between 1984 and 1989 it was part of the Challenger Series. It is currently the only ATP event held in Africa. The tournament is usually held in April though it has been held in March before and is a lead up tournament for the French Open.
The Hong Kong Open is a professional tennis tournament organized by the Hong Kong, China Tennis Association annually at the Victoria Park Tennis Centre in Causeway Bay, Hong Kong.
The Nice French Riviera Open was an ATP World Tour 250 series and, formerly, Grand Prix tennis circuit affiliated men's tennis tournament. This tournament was originally founded in 1925 as a combined event called the City of Nice Championships and remained as a combined event until 1971 and 1976 to 1978. Also known as the Nice International Championships. It was held in Nice, France at the Nice Lawn Tennis Club and played on outdoor clay courts. The last singles champion is Dominic Thiem from Austria.
The Open 13 is an annual men's tennis tournament played in Marseille, France. The tournament is an ATP Tour 250 series event on the Association of Tennis Professionals tour. It is held for one week in February. The number 13 is the INSEE code of the Bouches-du-Rhône département of which Marseille is the capital.
The ATP 500 tournaments are the fourth highest tier of annual men's tennis tournament after the four Grand Slam tournaments, ATP Finals, and the ATP Masters 1000. The series includes 13 tournaments, with 500 ranking points awarded for the events' singles champions – which accounts for the name of the series. Tournaments have various draws of 32 and 48 for singles and 16 and 24 for doubles. It is mandatory for leading players to enter at least four 500 events, including at least one after the US Open; if they play fewer than four, or fail to play in one after the US Open they get a "zero" score towards their world ranking for each one short. Roger Federer holds the record for most singles titles at 24, while Daniel Nestor holds the record for most doubles titles won with 20. Rafael Nadal is very close to Roger Federer's record with 23 singles titles.
The Austrian Open Kitzbühel and originally known as the Austrian International Championships from (1894–1968) is an annual tennis tournament held in Kitzbühel, Austria. The event was part of the ATP World Series from the creation of ATP World Tour till 1998, International Series Gold from 1999 to 2008 and ATP World Tour 250 series in 2009. It was downgraded to the ATP Challenger Tour in 2010, replaced by the Open de Nice Côte d'Azur, before regaining top tour status in 2011. It is once again part of the 250 series. The tournament has been held, since 1894, on clay courts.
The Winston-Salem Open is a men's professional tennis tournament played on the ATP Tour at Wake Forest University in Winston-Salem, North Carolina in the United States. It made its debut at Winston-Salem in 2011 and is part of the ATP 250 tournaments. It was previously held in Long Island and New Haven before it was sold and relocated to Winston-Salem, creating a new tournament.
Dimitar Kuzmanov is a Bulgarian professional tennis player. He competes 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 2016 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2016 tennis season. The 2016 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000s, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup, and the ATP World Tour Finals. Also included in the 2016 calendar were the tennis events at the 2016 Summer Olympics and Hopman Cup, neither of which distributed ranking points.
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.
Jonny O'Mara is a British tennis player. He has a career high ATP doubles ranking of 44 achieved on 20 May 2019. He also has a career high ATP singles ranking of World No. 489 achieved on 10 April 2017.
Alexander Donski is a Bulgarian tennis player.
Adrian Mannarino 
Gonzalo Escobar 
Aleksandr Nedovyesov 
