The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour, the ATP Challenger Tour and the ATP Champions Tour. It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to protect the interests of professional tennis players, and Drysdale became the first president. Since 1990 the association has organized the ATP Tour, the worldwide tennis tour for men and linked the title of the tour with the organization's name. It is the governing body of men's professional tennis. In 1990 the organization was called the ATP Tour, which was renamed in 2001 as just ATP and the tour being called ATP Tour. In 2009 the name of the tour was changed again and was known as the ATP World Tour, but changed again to the ATP Tour by 2019. It is an evolution of the tour competitions previously known as Grand Prix tennis tournaments and World Championship Tennis (WCT). The ATP's global headquarters are in London. ATP Americas is based in Ponte Vedra Beach, Florida; ATP Europe is headquartered in Monaco; and ATP International, which covers Africa, Asia and Australasia, is based in Sydney, Australia.
The ATP Tour is a worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals. The second-tier tour is the ATP Challenger Tour and the third-tier is the ITF Men's World Tennis Tour. The equivalent women's organisation is the WTA Tour.
The 2001 Tennis Masters Cup was a men's tennis tournament played on indoor hard courts. It was the 32nd edition of the year-end singles championships and was part of the 2001 ATP Tour. The tournament was held at the Sydney Superdome in Sydney, Australia from 12 November through 18 November 2001. The doubles competition was set to take place in Bangalore, India but was cancelled because of security fears following the September 11 attacks. A competition was held in early 2002, but it did not provide any ranking points and was held as the ATP World Doubles Challenge Cup. Lleyton Hewitt won the singles title.
The 2000 Tennis Masters Cup and the ATP Tour World Championships were tennis tournaments played on indoor hard courts for the singles event, and outdoor hard courts for the doubles event. It was the 31st edition of the year-end singles championships, the 27th edition of the year-end doubles championships, and both were part of the 2000 ATP Tour. The singles event took place at the Pavilhão Atlântico in Lisbon, Portugal, from 28 November through 3 December 2000, and the doubles event at the KSLTA Tennis Center in Bangalore, India, from 13 December through 26 December 2000.
The Kingfisher Airlines Tennis Open was a professional men's tennis tournament played on outdoor hard courts. It was part of the International Series of the ATP Tour and was held annually in Asia.
The Indian Open was a men's tennis tournament founded as the India International Championships in 1923. It was played from 1923 until 1979 and the men's event was part of the Grand Prix tennis circuit, 1970 to 1979. From 1945 to 1972 it was known as the Indian International Championships. It was held in various cities across India and was played outdoor on multiple surfaces.
The 2008 Pilot Pen Tennis was a combined men's and women's tennis tournament played on outdoor hard courts. It was the 40th edition of the Pilot Pen Tennis, and was part of the International Series of the 2008 ATP Tour, and of the Tier II Series of the 2008 WTA Tour. It took place at the Cullman-Heyman Tennis Center in New Haven, United States, from August 15 through August 23, 2008.
The 2009 Medibank International Sydney was a tennis tournament played on outdoor hard courts. It was the 117th edition of the event known that year as the Medibank International Sydney, and was part of the ATP World Tour 250 series of the 2009 ATP World Tour, and of the WTA Premier tournaments of the 2009 WTA Tour. Both the men's and the women's events took place at the NSW Tennis Centre in Sydney, Australia, from 11 through 17 January 2009.
The 2001 Touchtel ATP World Doubles Challenge Cup was a tennis tournament played on outdoor hard courts. It was the 28th edition of the year-end doubles championships and was part of the 2001 ATP Tour. The tournament was held at the KSLTA Tennis Centre in Bangalore in India from 28 January through 3 February 2002.
The 1976 Commercial Union Assurance Grand Prix was a professional tennis circuit administered by the International Lawn Tennis Federation (ILTF) which served as a forerunner to the current Association of Tennis Professionals (ATP) World Tour and the Women's Tennis Association (WTA) Tour. The circuit consisted of the four modern Grand Slam tournaments and open tournaments recognised by the ILTF. The Commercial Union Assurance Masters is included in this calendar but did not count towards the Grand Prix ranking.
Chen Ti is a Taiwanese professional tennis player. He is part of the Chinese Taipei Davis Cup team. He competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.
Vijay Sundar Prashanth is an Indian professional tennis player. Prashanth has a career-high ATP doubles ranking of No. 83 achieved on 27 November 2023. He also has a career-high ATP singles ranking of No. 335 achieved on 5 October 2015.
The 2015 Bangalore Challenger was a professional tennis tournament played on hard courts. It was part of the 2015 ATP Challenger Tour. The tournament took place in Bangalore, India between 19 and 25 October 2015.
The 2017 Bengaluru Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Bangalore, India from 20 to 25 November 2017.
Tseng Chun-hsin, also known as Jason Tseng, is a Taiwanese tennis player. He has a career high ATP singles ranking of World No. 83, achieved on 8 August 2022. Tseng is currently the No. 4 Taiwanese player on the ATP tour.
The 2018 Bengaluru Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Bangalore, India from 12 to 17 November 2018.
The 2020 Bengaluru Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Bangalore, India from 10 to 16 February 2020.
The 2022 Bengaluru Open was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Bangalore, India from 7 to 13 February 2022.
The 2022 Bengaluru Open II was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Bangalore, India from 14 to 20 February 2022.
2022 Bengaluru Open 
Aleksandar Vukic 
Alexander Erler 
Arjun Kadhe 
