The International Tennis Federation (ITF) is the governing body of world tennis, wheelchair tennis, and beach tennis. It was founded in 1913 as the International Lawn Tennis Federation by twelve national tennis associations. As of 2016, there are 211 national and six regional associations that make up the ITF's membership.
The WTA Tour is a worldwide top-tier tennis tour for women organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Women's World Tennis Tour. The men's equivalent is the ATP Tour.
The Nottingham Open, originally known as the Nottingham Championships or Nottingham Lawn Tennis Tournament (1887–1967), is a tennis tournament for men and women held in Nottingham, United Kingdom, played on outdoor grass courts at the Nottingham Tennis Centre. After being discontinued in 2008, it was downgraded in 2011 to ATP Challenger Tour and ITF Women's Circuit, briefly re-established as an ATP World Tour 250 event on the men's tour in 2015 and 2016, before returning to a Challenger event in 2017, and since 2015 it has been an international event on the women's tour. The tournament is held in June as a "warm-up" for Wimbledon.
The Open Medellín is a professional tennis tournament played on outdoor clay courts.
The Nottingham Trophy was an annual tennis tournament played in Nottingham, England. The tournament was part of the ATP Challenger Tour and the International Tennis Federation as a $75,000 event. The tournament's key sponsor was Dutch insurance firm Aegon. The tournament was held at the end of May before the main tour's grass-court season starts.
The ITF Women's World Tennis Tour, previously known as the ITF Women's Circuit, is a series of professional tennis tournaments run by the International Tennis Federation for female professional tennis players.
The Beijing International Challenger was a tennis tournament held in Beijing, China, from 2010 to 2013. The event was part of the ATP Challenger Tour and the ITF Women's Circuit and was played on outdoor hard courts. It was also part of the China Open Series.
Zheng Saisai or Zheng Sai-Sai is a Chinese tennis player. She has a career-high singles ranking of world No. 34, achieved on 2 March 2020, and a doubles ranking of No. 15, achieved on 11 July 2016. In her career, she won one singles title in 2019, and six doubles titles on the WTA Tour. She also reached the final of the 2019 French Open in doubles with compatriot Duan Yingying.
The 2011 ITF Women's Circuit is the 2011 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. During the months of April 2011 and June 2011 over 150 tournaments were played with the majority being played in the month of May.
Elizaveta Dmitrievna Kulichkova is a Russian former tennis player. She competed for her last pro match at the 2017 US Open.
The 2014 WTA Tour was the elite professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2014 tennis season. The 2014 WTA Tour calendar comprises the Grand Slam tournaments, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. Also included in the 2014 calendar is the Hopman Cup, which was organized by the ITF and did not distribute ranking points.
The 2015 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2015 tennis season. The 2015 WTA Tour calendar comprises the Grand Slam tournaments (supervised by the International Tennis Federation, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. Also included in the 2015 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
Nina Stojanović is a Serbian professional tennis player. On 2 March 2020, Stojanović reached a career-high singles ranking of world No. 81. On 17 January 2022, she peaked at No. 37 in the WTA doubles rankings.
The 2014 Tianjin Health Industry Park was a professional tennis tournament played on clay courts. It was the first edition of the tournament and part of the 2014 ATP Challenger Tour and 2014 ITF Women's Circuit, offering a total of $50,000+H (ATP) and $25,000 (ITF) in prize money. It took place in Tianjin, China, the men's event took place from 16 to 22 June 2014 while the women's event took place from 19 to 25 May 2014.
The 2016 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2016 tennis season. The 2016 WTA Tour calendar comprises the Grand Slam tournaments (supervised by the International Tennis Federation, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, the year-end championships. Also included in the 2016 calendar is the Summer Olympic Games and Hopman Cup, which were organized by the ITF and did not distribute ranking points.
Kang Jiaqi is a female former tennis player from China.
The 2016 Tianjin Health Industry Park was a professional tennis tournament played on outdoor hard courts. It was the third edition of the tournament and part of the 2016 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Tianjin, China, on 23–29 May 2016.
The 2019 WTA Tour was the elite professional tennis circuit organised by the Women's Tennis Association (WTA) for the 2019 tennis season. The 2019 WTA Tour calendar was composed of the Grand Slam tournaments (supervised by the International Tennis Federation, the WTA Premier tournaments, the WTA International tournaments, the Fed Cup, and the year-end championships. The Hopman Cup, organized by the ITF, also is included but did not distribute ranking points.
Liu Shaozhuo is a Chinese former professional tennis player.
The 2022 WTA Tour was the global elite women's professional tennis circuit organized by the Women's Tennis Association (WTA) for the 2022 tennis season. The 2022 WTA Tour calendar comprised the Grand Slam tournaments, the WTA 1000 tournaments, the WTA 500 tournaments, the WTA 250 tournaments, the Billie Jean King Cup, and the year-end championships.
2016 Tianjin Health Industry Park 
