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 125K 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 WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
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.
The BMW Ljubljana Open is a professional tennis tournament played on outdoor clay courts. It is currently part of the WTA 125 series of the WTA Tour. In the past, the Association of Tennis Professionals (ATP) organized an ATP Challenger which was last held in 2011. The tournament was first held in 1990 in Domžale, Slovenia, before moving to Ljubljana from 2002.
The 2011 Seguros Bolívar Open Barranquilla was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Barranquilla, Colombia between 28 March – 3 April 2011.
The Ningbo International Tennis Open is a tennis tournament held in Ningbo, China. The event is currently played as a WTA 250 tournament and earlier used to be a part of the WTA 125K series and the ATP Challenger Tour. It is played on outdoor hardcourts. The men's event ended in 2012 but restarted in 2015 till 2019. The event was previously called the Ningbo Challenger.
The 2012 Seguros Bolívar Open Barranquilla was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Barranquilla, Colombia between 26 March – 1 April 2012.
WTA 125 tournaments are an international series of professional women's tennis tournaments organized by the Women's Tennis Association since 2012.
The Suzhou Ladies Open is a tournament for professional female tennis players played on outdoor hard courts. The event is classified as a $100,000 ITF Women's Circuit tournament. It has been held in Suzhou, China, since 2012. It was part of the WTA 125K series from 2013 to 2014.
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.
The Canberra Tennis International is a tournament for professional male and female tennis players played on outdoor hardcourts. The event is classified as a $164,000 ATP Challenger Tour and WTA 125. Prior to 2024, the women's edition was held as a $60,000 ITF Women's Circuit tournament. The tournament has been staged in Canberra, Australia, since 2015.
The Hua Hin Challenger was a tennis tournament for professional male and female tennis players played on outdoor hard courts. The event was classified as a $125,000 ATP Challenger Tour and WTA 125K series tournament and was held in Hua Hin District, Thailand, in 2015 and 2017.
The Zhengzhou Open is a tournament for professional female tennis players played on outdoor hardcourts. The event has been held in Zhengzhou, China, since 2014 as an ITF and then as a WTA 125 tournament in 2017 and 2018. Subsequently it was upgraded and from 2019 onward was classified as a WTA Premier level tournament, replacing the Connecticut Open in the United States. After a three-year hiatus, the tournament returned in 2023 as a WTA 500 event.
The Open Internacional de Valencia is a tournament for professional female tennis players played on outdoor clay courts. The event is part of the WTA 125 tournament series and has been held in Valencia, Spain since 2021.
The Torneig Internacional de Tennis Femení Solgironès Open Catalunya Ciutat de La Bisbal is a tournament for professional female tennis players. The event is classified as a WTA 125 tournament and has been held in La Bisbal d'Empordà, Spain, since 2016 on outdoor clay courts. The tournament was classified as ITF event until 2022, before being upgraded to the Challenger level in 2023.
The Kozerki Open is a tournament for professional female tennis players. The event is classified as a WTA 125 event since 2023, and was held in Warsaw, Poland in 2024. Prior to 2023, the tournament was a part of ITF Women's World Tennis Tour. It has been held annually in Grodzisk Mazowiecki, Poland, on outdoor hardcourts since 2019. Since 2022, a male version of the tournament was held as part of the ATP Challenger Tour.
The 2022 Barranquilla Open is a professional tennis tournament played on outdoor hard courts. It is the first edition of the tournament which is part of the 2022 ITF Women's World Tennis Tour. It takes place in Barranquilla, Colombia between 31 October and 6 November 2022.
2024 Barranquilla Open 
Nadia Podoroska 
Valentini Grammatikopoulou 
