Petra Kvitová (] ; born 8 March 1990) is a Czech professional tennis player.
 Known for her powerful left-handed groundstrokes and variety, Kvitová turned professional in 2006 and has won 20 career singles titles, including two Grand Slam titles at Wimbledon.
 She is also an Olympic medalist, capturing the bronze medal at the 2016 Rio Olympics.
 She reached her career-high ranking of world no. 2 on 31 October 2011 and as of 18 September 2017, is ranked world no. 14 by the Women's Tennis Association (WTA).
 As such, Kvitová is the current second highest-ranked Czech and the second highest-ranked left-handed player in the WTA behind Karolína Plíšková and Germany's Angelique Kerber, respectively.
Patricia Tarabini (born 6 August 1968) is an Argentine former tennis player.
 Tarabini represented her country and won the bronze Olympic medal at the 2004 Athens games, with Paola Suárez, where they lost 7–9 in the third set to eventual gold medalists from China, Sun Tiantian and Li Ting.
 On May 9, 1988, Patricia reached her highest singles ranking; world number 29.
 Tarabini's highest doubles ranking was world number 12, which she achieved on August 17, 1998.
 Patricia turned pro in 1986, and won a total of 15 top-level doubles titles in her career.
 She is the 1996 French Open mixed doubles champion, which she won with Javier Frana.
This is a list of the main career statistics of Czech professional tennis player Petra Kvitová.
 To date, Kvitová has won 20 singles titles including two Grand Slam singles titles at the Wimbledon Championships, one WTA Tour Championships singles title, two WTA Premier Mandatory singles titles and four WTA Premier 5 singles titles.
 She was also the bronze medallist at the 2016 Rio Olympics, a semifinalist at the 2010 Wimbledon Championships, 2012 Australian Open and 2012 French Open and a quarterfinalist at the 2011 Australian Open, 2012 Wimbledon Championships, 2013 Wimbledon Championships, 2015 US Open and 2017 US Open.
 Kvitová reached her career-high ranking of world no. 2 on 31 October 2011.
Conchita Martínez and Patricia Tarabini were the defending champions, but competed this year with different partners.
 Martínez teamed up with Arantxa Sánchez Vicario and reached the semifinals, while Tarabini teamed up with Nicole Arendt and lost in quarterfinals to Barbara Schett and Patty Schnyder.
Agnieszka Radwańska was the defending champion, but lost in the quarterfinals to Petra Kvitová.
 Kvitová went on to win the title, defeating Sara Errani in the final, 6–2, 1–6, 6–1.
Ekaterina Makarova was the defending champion, but lost to Petra Kvitová in the second round.
 Kvitová eventually lost the final 1–6, 6–4, 5–7 to Frenchwoman Marion Bartoli.
 It was Bartoli's first title of the year and sixth of her career.
 It was her second Premier-level career title and first on grass courts.
Petra Kvitová was the defending champion, but she decided to play at the Hopman Cup instead.
Petra Kvitová was the defending champion, but chose not to participate.
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David Kotyza (born August 30, 1967 in Plzeň) is a Czech tennis coach, best known for his work with dual Wimbledon champion Petra Kvitová and the Czech Republic Fed Cup team.
The 2014 Petra Kvitová tennis season officially began at the 2014 Apia International Sydney.

Question: Petra Kvitová and Patricia Tarabini, have which mutual occupation?
Answer: tennis player