The ATP Tour is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals founded in 1990 that replaced the earlier dual Grand Prix Circuit and WCT Circuit. 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 Japan Open is a men's tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Koto, Tokyo. It has been held since 1972. In 2018, the venue switched to the Musashino Forest Sports Plaza as the Ariake Coliseum was renovated for the tennis events at the 2020 Summer Olympics. The championship includes men's singles and doubles competitions. The "All-Japan Championships" was founded in 1922. Before 1972, the All-Japan championships was an international event but after the Japan Open began, the All-Japan championships became a national event.
The Tennis Channel Open its sponsored name was a men's hard court tennis tournament also known as the Las Vegas Open it was an ATP International Series event that was first founded as the WCT Scottsdale Open in 1986. That tournament by 2005 was officially known as the Scottsdale Open.
The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments. It was founded in 1976 when it replaced the ILTF Satellite Circuit as the second tier of tennis. The Challenger Tour events are the second-highest tier of tennis competition, behind the ATP Tour. The ITF World Tennis Tour tournaments are on the entry-level of international professional tennis competition. The ATP Challenger Tour is administered by the Association of Tennis Professionals. Players who succeed on the ATP Challenger Tour earn sufficient ranking points to become eligible for main draw or qualifying draw entry at ATP Tour tournaments. Players on the Challenger Tour are usually young players looking to advance their careers, those who fail to qualify for ATP events, or former ATP players looking to get back into the big tour.
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 2012 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts. The fifth edition of the Dunlop World Challenge tournament, it was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit. It took place on 19–25 November 2012 in Toyota, Japan.
The 2013 Maserati Challenger was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2013 ATP Challenger Tour. It took taking place in Meerbusch, Germany, between 10 and 18 August 2013.
The 2014 Advantage Cars Prague Open, also known as Advantage Cars Prague Open by I. ČLTK Praha for sponsorship reasons, was a professional tennis tournament played on clay courts. It was the 21st edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Prague, Czech Republic between 4 and 10 August 2014.
The 2014 BRD Brașov Challenger was a professional tennis tournament played on clay courts. It was the 19th edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Brașov, Romania between 1 and 7 September 2014.
The 2015 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 1st edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Kobe, Japan between 9 and 15 November 2015.
Yosuke Watanuki is a Japanese professional tennis player. He has a career-high ATP ranking of World No. 72 achieved on 30 October 2023 and a doubles ranking of No. 374 achieved on 7 January 2019. He is currently the No. 10 Japanese player.
The 2016 Hoff Open was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Moscow, Russia between 6 and 12 June 2016.
The 2016 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 2nd edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Kobe, Japan between 7 and 13 November 2016.
The 2017 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 3rd edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Kobe, Japan between 6 and 12 November 2017.
The 2018 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 4th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Kobe, Japan between 12 and 18 November 2018.
The 2019 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 5th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Kobe, Japan between 4 and 10 November 2019.
Arthur Cazaux is a French professional tennis player. He has a career high ATP singles ranking of world No. 67 achieved on 4 November 2024. He also has a career high doubles ranking of world No. 430, achieved on 1 November 2021. Cazaux has won 3 Challenger singles titles.
Bart Stevens is a Dutch tennis player who specializes in doubles. He reached his career-high ATP doubles ranking of world No. 69 on 20 November 2023. Stevens also has a career high singles ranking of No. 736 achieved on 14 October 2019.
The 2022 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 6th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Kobe, Japan between 14 and 20 November 2022.
Shinji Hazawa is a Japanese tennis player.
2023 Kobe Challenger 
