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.
WTA 125 tournaments are an international series of professional women's tennis tournaments organized by the Women's Tennis Association since 2012.
The Kunming Open is a tennis tournament held in Anning, China since 2012. The women's event first started in 2014, joining the men's Challenger. The event is part of the ATP Challenger Tour and WTA 125K series and is played on clay courts.
The 2013 ITF Women's Circuit is the 2013 edition of the second tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's Circuit includes tournaments with prize money ranging from $10,000 up to $100,000.
The 2013 ITF Women's Circuit is the 2013 edition of the second tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's Circuit includes tournaments with prize money ranging from $10,000 up to $100,000.
The 2014 ITF Women's Circuit is the 2014 edition of the second tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's Circuit includes tournaments with prize money ranging from $10,000 up to $100,000.
The 2015 ITF Women's Circuit is the 2015 edition of the second tier tour for women's professional tennis. It is organised by the International Tennis Federation and is a tier below the WTA Tour. The ITF Women's Circuit includes tournaments with prize money ranging from $10,000 up to $100,000.
The WTA 125K series was the secondary professional tennis circuit organised by the Women's Tennis Association. The 2015 WTA 125K series calendar consists of six tournaments, each with a total prize fund of $125,000. After 2014, both the Suzhou, and Ningbo events folded, with Suzhou being replaced by a tournament in Dalian, and new events starting in Carlsbad and Hua Hin.
The 2015 Hua Hin Championships was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament, which was part of the 2015 ATP Challenger Tour and part of 2015 WTA 125K series. It took place in Hua Hin, Thailand between 2 November to 8 November 2015 for the men's tournament, and between 9 November to 15 November 2015 for the women's tournament.
The WTA 125K series is the secondary professional tennis circuit organised by the Women's Tennis Association. The 2016 WTA 125K series calendar consists of eight tournaments, each with a total prize fund of $125,000. After 2015, the Nanchang event was upgraded to a WTA International level tournament, and with new events starting in San Antonio, West Hempstead and Bol. The planned tournament in West Hempstead was then cancelled, and the tournament scheduled to take place in Carlsbad, California was moved to Oahu, Hawaii. Following the death of the Thai king Bhumibol Abdulyadej, the event due to take place in Hua Hin was also cancelled, in accordance with Thai tradition that sporting events cannot take place in the month after a monarch's death.
A carpet court is a type of tennis court. The International Tennis Federation describes the surface as a "textile or polymeric material supplied in rolls or sheets of finished product." It is one of the fastest court types, second only to grass courts. The use of carpet courts in ATP Tour competitions ended in 2009. In women's tennis, no WTA Tour tournaments have used carpet courts since the last edition of the Tournoi de Québec in 2018. ATP Challenger and ITF circuit level tournaments with carpet courts continue to exist up to the present (2022).
The Columbus Challenger is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour and WTA 125K series. The ATP event is held annually in Columbus, Ohio, U.S.A, as it has been since 2015, the tournament's start. The women's edition started in 2021.
The WTA 125K series is the secondary professional tennis circuit organised by the Women's Tennis Association. The 2017 WTA 125K series calendar consisted of eight tournaments, each with a total prize fund of $125,000. After 2016, San Antonio Open folded while two new tournaments were introduced in Zhengzhou and Mumbai. The Hua Hin Championships returned after the previous year's edition was cancelled due to the death of Thai monarch, Bhumibol Adulyadej.
The 2017 Hua Hin Championships was a professional tennis tournament played on outdoor hard courts. It was the 2nd edition of the tournament, which was part of the 2017 ATP Challenger Tour and part of 2017 WTA 125K series. It took place in Hua Hin, Thailand from 6 November to 12 November 2017 for the women's tournament, and from 20 November to 26 November 2017 for the men's tournament.
The WTA 125K series is the secondary professional tennis circuit organised by the Women's Tennis Association. The 2018 WTA 125K series calendar consisted of ten tournaments, each with a total prize fund of $125,000 each except the Oracle Challenger Series that offer $150,000 in prize money. After 2017, Dalian Women's Tennis Open and Hawaii Tennis Open were scrapped while Hua Hin Championships was replaced by Thailand Open, an international WTA event to take place at the same venue, beginning February 2019. 5 new tournaments were introduced in Newport Beach, Indian Wells, Chicago, Houston and Anning which was earlier an ITF event.
The Marbella Tennis Open is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and WTA 125K series. The ATP event has been held annually in Marbella, Spain, from 2018 while the WTA edition started in 2022.
The Oracle Challenger Series – Houston is a professional tennis tournament played on hard courts. It is currently part of the ATP Challenger Tour and the Women's Tennis Association (WTA) 125K series. It is held annually in Houston, United States since 2018. The ATP Challenger Tour returned to Houston, Texas for the first time since 2001, with the inaugural Oracle Challenger Series Houston making its debut in November. Held on the campus of Rice University, at the new $9 million George R. Brown Tennis Complex. Houston is will become one of just two U.S. cities to host tournaments on both the ATP World Tour and ATP Challenger Tour, with the ATP World tour tournament being the U.S. Men's Clay Court Championships. The Oracle Challenger Series – Houston is the second stop for the Oracle Challenger Series calendar. The winner of the Oracle Challenger Series earns a wild card into Indian Wells Masters.
The 2019 Thailand Open, sponsored by Toyota, was a tennis tournament played on outdoor hard courts. It was the 1st edition of the Hua Hin Championships as part of the WTA International tournaments of the 2019 WTA Tour. It took place at the True Arena Hua Hin in Hua Hin, Thailand, from 28 January 2019 to 3 February 2019.
The Hua Hin Championships, currently sponsored by Toyota and called the Toyota Thailand Open, is a tournament for professional female tennis players played on outdoor hardcourts. The event is classified as an international tournament on the WTA Tour.
The WTA 125 tournaments are the secondary professional tennis circuit organised by the Women's Tennis Association. The 2022 calendar consists of twenty-four tournaments.
Yūichi Sugita 
Stéphane Robert 
John Millman 
Yaroslava Shvedova 
Belinda Bencic 
Hsieh Su-wei 
Andre Begemann 
Purav Raja 
Sanchai Ratiwatana 
Austin Krajicek 
Liang Chen 
Dalila Jakupović 
Irina Khromacheva