Vania King (traditional Chinese: 金久慈, simplified Chinese: 金久慈, Hanyu Pinyin: Jīn Jiǔcí) (born February 3, 1989 in Monterey Park, California, US) is a Taiwanese American female tennis player. King won both the 2010 Wimbledon Women's Doubles and 2010 US Open Women's Doubles titles with Kazakh partner Yaroslava Shvedova.

King's parents moved to the United States from Taiwan in 1982. She is the youngest of four children. Her brother Phillip was a four-time All-American at Duke University and two-time US junior champion.

In 2006 King won her only WTA singles title at the PTT Bangkok Open, a Tier III tournament with $200,000 in total prize money. She defeated Tamarine Tanasugarn in the final. On November 6, 2006, King achieved her career-high singles ranking of 50th overall.

In 2009, she reached the Mixed Doubles final at the French Open, alongside Brazilian player Marcelo Melo, losing to number 1 seeds Liezel Huber/Bob Bryan.

King lost in the second round of the 2009 Wimbledon Championships to No. 15 Flavia Pennetta. She played in the ladies doubles with Anna-Lena Grönefeld, losing in the quarter-finals to eventual champions Venus and Serena Williams.

Caroline Wozniacki (born 11 July 1990) is a Danish professional tennis player. She is a former world no. 1 on the WTA Tour. As of 23 January 2012, she held this position for 67 weeks. She is the first Scandinavian woman to hold the top ranking position and 20th overall.

Since her WTA debut in 2005, she has improved her year-end ranking each year until finishing on top in both 2010 and 2011. She has won 18 WTA singles titles as of August 2011, three in 2008, three in 2009, six in 2010 (the most since Justine Henin's ten in 2007), and six in 2011. She was runner-up at the 2009 US Open and the 2010 WTA Tour Championships in Doha to Kim Clijsters. She won the 2006 Wimbledon Girls' Singles title but has yet to win a women's Grand Slam title. She also holds two WTA titles in doubles.

Wozniacki is the daughter of Polish Roman Catholicimmigrants, Piotr and Anna Wozniacki. Anna played on the Polish women's national volleyball team, and Piotr played professional football. The couple moved to Denmark when Piotr signed for the Danish football club Boldklubben 1909. Wozniacki's older brother Patrik Wozniacki is a professional footballer for Hvidovre IF in Denmark.

Andrea Petkovic (Serbian: Андреа Петковић, Andrea Petković; born 9 September 1987) is a German professional tennis player from Griesheim, near Darmstadt in Germany.

Petkovic reached her career-high singles ranking of world no. 9 on 10 October 2011. She has won 2 WTA titles, 8 ITF singles titles and 3 ITF doubles titles. Petkovic became the German national champion in 2007 and 2009. She is coached by Petar Popović and her father Zoran.

Andrea Petkovic was born in Tuzla, SR Bosnia and Herzegovina, SFR Yugoslavia. but at the age of six months, the family relocated to Germany. Petkovic first took to the tennis courts when she was six; her father Zoran Petkovic, former Yugoslav tennis player and member of the Yugoslavia Davis Cup team, was a coach at a club in Darmstadt at the time. He introduced her to the sport and later became her coach. She was able to finish high school before competing in tennis full-time because Zoran never influenced her into joining the professional circuit.

Apart from tennis, she likes to educate herself by reading; her favourite authors are Goethe and Wilde. Her mother Amira is a dental assistant while her younger sister Anja is a student. Petkovic graduated from high school in 2006 with an Abitur from the Georg-Büchner-Schule in Darmstadt, a Gymnasium. She has been studying Political science at the FernUniversität Hagen since 2008.

Marion Bartoli (born 2 October 1984) is a French professional tennis player and the current French no. 1. She has won seven Women's Tennis Association singles titles and three doubles titles. She was also a runner-up at the 2007 Wimbledon Championships.

Bartoli has defeated three reigning world no. 1 players in her career so far. She defeated Justine Henin in the semifinal of the 2007 Wimbledon Championships, 1–6, 7–5, 6–1, Jelena Janković in the fourth round of the 2009 Australian Open, 6–1, 6–4 and Victoria Azarenka 6–3, 6–3 in the quarterfinals of the 2012 Sony Ericsson Open. She has also recorded wins over other top players such as Venus Williams, Serena Williams, Ana Ivanović, Lindsay Davenport, Arantxa Sánchez Vicario, Dinara Safina, Caroline Wozniacki, Petra Kvitova, Sam Stosur and Kim Clijsters.

She is known for her unorthodox style of play using two hands on both her forehand and backhand. On January 30th 2012 she rose to a new career high ranking of No.7 in the world.

Bartoli was born in Le Puy-en-Velay, Haute-Loire. She is of Corsican, Catalan, and metropolitan French descent. She started playing tennis at the age of six. Bartoli trained in a small facility as a youngster, where there was not much room behind the baseline. Her father, Walter, gave up his career as a doctor to become her full-time coach when Bartoli won the 2001 Junior US Open title, defeating Svetlana Kuznetsova, 4–6, 6–3, 6–4.

Tamarine Tanasugarn (Thai: แทมมารีน ธนสุกาญจน์, [tʰɛːmmāːrīːn tʰánásùkāːn]; born 24 May 1977) is a professional Thai tennis player. She was born in Los Angeles, United States, and turned professional in 1994. She has been in the top 20 in both singles and doubles.

Tanasugarn's highest Women's Tennis Association (WTA) world ranking was no. 19, achieved on 13 May 2002, which is the highest ranking ever achieved for a Thai female player. She has won four singles titles and five doubles titles. She was briefly a doubles partner with Maria Sharapova, with whom she won two titles in 2003. Her highest world doubles ranking was no. 15, which she achieved on 13 September 2004. With Liezel Huber, she reached the 2004 US Open doubles quarterfinals, and at the 2011 Wimbledon Championships, she reached the women's doubles semifinal with Marina Erakovic. Her biggest success so far came in 2008, when she reached quarterfinals at Wimbledon.

In her career, Tanasugarn has defeated former and current no. 1 players, including Amélie Mauresmo, Jennifer Capriati, Jelena Janković, and Dinara Safina. She has also beaten Australian Open and French Open champion Mary Pierce.