Caroline Wozniacki (R) is a retired Danish tennis player. A former world No. 1 in singles, she achieved the top ranking for the first time on 11 October 2010, becoming the 20th player in the Open Era, and the first woman from a Scandinavian country to hold the top ranking position. She was the year-end No. 1 in both 2010 and 2011, held the top ranking for a combined total of 71 weeks, and won more than $35 million in prize money.
The 2009 WTA Tour Championships was held in Doha, Qatar from October 27 to November 1. It was the second time the Khalifa International Tennis Complex hosted the WTA Tour Year-End Singles and Doubles Championships.
Simona Halep is a Romanian professional tennis player. She has been ranked world No. 1 in singles twice between 2017 and 2019. In total, she has been No. 1 for 64 weeks, which ranks tenth in the history of the Women's Tennis Association (WTA) rankings. Halep was the year-end No. 1 in 2017 and 2018. She has finished each year ranked no lower than No. 4 since 2014 and has the longest active streak of being ranked in the top 10. She has won 22 WTA singles titles and has finished runner-up 17 times. Halep has won two Grand Slam singles titles: the 2018 French Open and the 2019 Wimbledon Championships.
The 2009 Commonwealth Bank Tournament of Champions was a singles-only tennis tournament that was played on indoor hard courts. It was the first edition of the Commonwealth Bank Tournament of Champions and was part of the 2009 WTA Tour. It was held at the Bali International Convention Centre in Bali, Indonesia, from November 4 through November 8, 2009.
Karolína Plíšková is a Czech professional tennis player. She is a former world No. 1 in singles, reaching the top of the Women's Tennis Association (WTA) rankings on 17 July 2017 and holding the position for eight weeks. She is currently ranked No. 9 in the world as of April 2021 and has been ranked inside the top 10 continuously since late 2016. On 31 October 2016, she peaked at world No. 11 in the doubles rankings.
Elina Mykhailivna Svitolina is a Ukrainian tennis player. Having turned professional in 2010, she reached her career-high ranking of world No. 3 on 11 September 2017, and again on 9 September 2019.
The 2014 Serena Williams tennis season officially began on 30 December with the start of the 2014 WTA Tour, and follows on from an 18-match winning streak which began at the end of the 2013 Season. Williams finished the year at no. 1, and held the ranking for the entire year, which had not been done since Steffi Graf in 1996. It is also fourth time that Williams ended as the number 1 player in the year. Based on her performance in 2014, she was named 'World Champion' for the fifth time and the third time in a row.
The 2014 Li Na tennis season officially began on 30 December with the start of the 2014 WTA Tour as the defending champion of the 2014 Shenzhen Open. In July, Li ended her nearly 2 year collaboration with coach Carlos Rodríguez. Li announced her retirement from professional tennis on 19 September citing recurring and worsening knee injuries. Li also made the longest winning streak in 2014 WTA Tour with 13.
The 2014 WTA Finals was a women's tennis tournament in Singapore from October 17 to October 26, 2014, and was the 44th edition of the singles event and the 39th edition of the doubles competition. The tournament was held at the Singapore Indoor Stadium, and contested by eight singles players and eight doubles teams. It was the Championships of 2014 WTA Tour.
Maria Sharapova won her second French Open title and fifth major title overall by defeating first-time finalist Simona Halep 6–4, 6–7(5–7), 6–4, to win the Women's Singles tennis title at the 2014 French Open. In a match that lasted over three hours, it was the first time since 2001 that the final went to three sets. Halep became the first Romanian to reach the final since Virginia Ruzici in 1980.
The 2014 Maria Sharapova tennis season officially began on 30 December 2013 with the start of the 2014 WTA Tour. Sharapova began the season, having only played one match since the previous June due to a shoulder injury, at the Brisbane International. After failing to defend her points during the winter and spring hard court season, Sharapova almost dropped out of the Top 10. She rebounded by dominating the clay court season which saw her win Stuttgart, Madrid and the French Open. Her only loss on clay came to a resurgent Ana Ivanovic. She then won her first hard court title since the 2013 BNP Paribas Open at the China Open. Her season ended on 24 October 2014 following her elimination from the round robin stage at the 2014 WTA Finals in Singapore. She ended the year ranked no. 2 behind Serena Williams.
The 2015 Serena Williams tennis season officially began on 19 January with the start of the 2015 Australian Open and ended with the 2015 US Open. Williams entered the season as the number one ranked player and the defending champion at seven tournaments, including the US Open and the WTA Finals.
The 2014 Ana Ivanovic tennis season officially began with the start of the 2014 ASB Classic event in Auckland and ended with the 2014 WTA Finals. Ivanovic entered the season as the number 16th ranked player and wasn't defending champion at any tournament.
Caroline Wozniacki defeated Simona Halep in the final, 7–6(7–2), 3–6, 6–4 to win the Women's Singles tennis title at the 2018 Australian Open. Wozniacki was the first Danish player to win a Grand Slam singles title.
The 2018 WTA Finals, also known by its sponsored name BNP Paribas WTA Finals Singapore, was a women's tennis tournament held in Kallang, Singapore. It was the 48th edition of the singles event and the 43rd edition of the doubles competition. The tournament was contested by eight singles players and eight doubles teams. This was the final year for Singapore to hold this tournament.
The 2018 Caroline Wozniacki tennis season officially began on 1 January 2018 with the start of the 2018 WTA Tour. Caroline Wozniacki entered the season ranked as world number 3 behind Simona Halep and Garbiñe Muguruza following the completion of the 2017 season.
The 2018 WTA Elite Trophy was a women's tennis tournament played at the Hengqin International Tennis Center in Zhuhai, China. It was the 4th edition of the singles event and doubles competition. The tournament was contested by twelve singles players and six doubles teams.
World No. 1 Simona Halep won her first Grand Slam title, defeating Sloane Stephens in the final, 3–6, 6–4, 6–1 to win the Women's Singles tennis title at the 2018 French Open. She became the second Romanian woman to win a Grand Slam title in Women's Singles after the 1978 French Open champion Virginia Ruzici. She also became the sixth woman to win both the senior and junior title, having won the latter in 2008.
The 2018 Simona Halep tennis season officially began on 1 January 2018 with the start of the 2018 WTA Tour. Simona Halep entered the season as the No. 1 ranked player in the world.
Naomi Osaka defeated Petra Kvitová 7–6(7–2), 5–7, 6–4 in the final to win the Women's Singles tennis title at the 2019 Australian Open. By winning the tournament, Osaka took over the WTA no. 1 singles ranking from Simona Halep and also became the first player since Jennifer Capriati to win their first two Grand Slam titles in consecutive fashion. Eleven players had a theoretical chance of becoming no. 1 at the start of the tournament. In addition to Kvitová and Osaka, Sloane Stephens, Karolína Plíšková, Angelique Kerber, Elina Svitolina, Kiki Bertens, Aryna Sabalenka and Daria Kasatkina were also in contention for the no. 1 ranking at the start of this tournament, but were eliminated from contention as the tournament progressed.
Caroline Wozniacki (2) vs. 
Simona Halep (1)
