Chan Hao-ching and Chan Yung-jan were the defending champions but Chan Hao-ching chose not to participate.
 Chan Yung-jan partnered with Janette Husárová, but they lost in the quarterfinals to Johanna Konta and Patricia Mayr-Achleitner.
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The 2010 Billie Jean King Cup was the 2nd edition of this tennis exhibition tournament.
 Seven-time Grand Slam champion Venus Williams, 2009 French Open Champion Svetlana Kuznetsova, and 2009 US Open Champion Kim Clijsters participated.
 2009 Australian Open and Wimbledon Champion Serena Williams had to withdraw from the event due to a leg injury.
 She was replaced by 2008 French Open Champion Ana Ivanovic.
 In the first semifinal, Clijsters defeated Ivanovic in a tiebreaker (7–2), despite Ivanovic having match point at 5–4 up.
 Williams defeated Kuznetsova in the second semifinal, 6–4.
 Williams defeated Clijsters in the championship match by a score of 6–4 3–6 7–5.
Chan Hao-ching and Chan Yung-jan were the defending champions, but chose not to compete together.
 Hao-ching played alongside Christina McHale, but lost in the first round to Andrea Hlaváčková and Peng Shuai.
 Yung-jan teamed up with Martina Hingis, but lost in the semifinals to Olga Savchuk and Yaroslava Shvedova.
Svetlana Aleksandrovna Kuznetsova (Russian: Светла́на Алекса́ндровна Кузнецо́ва ; ] ; born 27 June 1985) is a Russian tennis player.
 Kuznetsova has appeared in four Grand Slam singles finals, winning two, and has also appeared in seven doubles finals, winning twice.
 As a doubles player, Kuznetsova has reached the finals of each Grand Slam at least once, winning the Australian Open twice.
 She is currently the No. 8 ranked player on the WTA rankings.
Alicia Molik (born 27 January 1981) is an Australian former professional tennis player.
 She reached a career-high singles ranking of world No. 8 and won a bronze medal for Australia at the 2004 Athens Olympics by upsetting then world No. 3 and reigning French Open champion Anastasia Myskina.
 Molik peaked in the doubles rankings at No. 6 and won two Grand Slam women's doubles titles, the 2005 Australian Open and the 2007 French Open, alongside Svetlana Kuznetsova and Mara Santangelo, respectively.
 In addition, she won the 2004 Zurich Open, defeating Maria Sharapova in the final, and reached the finals of the 2004 Wimbledon, 2004 US Open, and 2007 Wimbledon mixed doubles events, as well as the quarterfinals of the 2005 Australian Open singles tournament.
Vera Igorevna Zvonareva (Russian: Ве́ра И́горевна Звонарёва ; ] ; born 7 September 1984) is a Russian professional tennis player.
 She was introduced to tennis at the age of six and turned professional in 2000.
 Her career high is world No. 2 by the WTA.
 Zvonareva has won twelve WTA Tour singles titles and reached the finals of the 2008 WTA Tour Championships, 2010 Wimbledon Championships, and 2010 US Open.
 She also was a bronze medalist at the 2008 Beijing Olympics.
 In doubles, she has won four Grand Slam titles.
 Two of the titles came in women's doubles, the first one at the 2006 US Open, partnering Nathalie Dechy, and the other at the 2012 Australian Open, partnering Svetlana Kuznetsova.
 Her other two came in mixed doubles, the first at the 2004 US Open, partnering Bob Bryan, and her second at the 2006 Wimbledon Championships, partnering Andy Ram.
Svetlana Kuznetsova was the defending champion and successfully defended her title, defeating Daria Gavrilova in the final, 6–2, 6–1.
 By claiming the title, Kuznetsova became the final qualifier for the 2016 WTA Finals.
Chuang Chia-jung and Hsieh Su-wei were the defending champion, but Hsieh chose not to participate that year.
 Chuang partnered with Yan Zi, but they lost in the semifinals against Chan Yung-jan and Abigail Spears.
Chan Yung-jan and Abigail Spears won in the final 6–3, 6–4 against Carly Gullickson and Nicole Kriz.
Chan Hao-ching and Chan Yung-jan were the defending champions, but Chan Hao-ching chose to compete in Budapest.
 Chan Yung-jan paired up with Casey Dellacqua, but lost in the quarterfinals to Chan Chin-wei and Hsu Wen-hsin.
Chan Yung-jan (, born August 17, 1989), also known as Latisha Chan, is a Taiwanese tennis player.
 She is now studying International Sports Management and Sports Drama Studies Ph.D. in National Sports University in Taiwan.
 She is known mainly for her success in doubles competitions, having won 26 WTA Tour titles, including the 2017 US Open.
 She also finished runner-up in three other Grand Slam finals: the 2007 and 2015 Australian Open, as well as the 2007 US Open.
 Highlights of her singles career include semifinals in the 2006 Japan Open and finals in the 2007 PTT Bangkok Open.
 She reached her career high singles ranking of No. 50 on June 11, 2007.

Question: Which of Chan Yung-jan and Svetlana Kuznetsova has appeared in more Gland Slam finals?
Answer: Svetlana Aleksandrovna Kuznetsova