Question: Who was born earlier, Allan Stone or Caroline Wozniacki?

Context articles: Petra Cetkovská
Thomas Högstedt
2011 Brussels Open – Singles
Patrik Wozniacki
Patty Schnyder
Caroline Wozniacki career statistics
2009 China Open – Women's Doubles
Aravane Rezaï
Caroline Wozniacki
Allan Stone

Petra Cetkovská (] ; born 8 February 1985 in Prostějov, Czechoslovakia) is a professional tennis player from the Czech Republic.
 She reached her career-high singles ranking world no. 25 in June 2012.
 Over her career, Cetkovská has beaten top players: Marion Bartoli, Elena Dementieva, Ana Ivanovic, Angelique Kerber, Li Na, Agnieszka Radwańska, Caroline Wozniacki, and Vera Zvonareva.
Thomas Högstedt (born 21 September 1963) is a coach and former professional tennis player from Sweden.
 He is the current coach of Eugenie Bouchard and former coach of Caroline Wozniacki, Maria Sharapova, Li Na, Simona Halep, and from May to December 2016 coach of Madison Keys.
World No. 1 Caroline Wozniacki won the title, beating Peng Shuai in the final 2–6, 6–3, 6–3.
 It was Wozniacki's 16th career title and 4th of the year.
Patrik Wozniacki (Polish: "Patryk Woźniacki" ; born July 24, 1986) is a Danish professional footballer currently playing at amateur side FC Græsrødderne.
 He is the older brother of female tennis star Caroline Wozniacki.
Patty Schnyder (born 14 December 1978) is a Swiss professional tennis player.
 She reached number 7 in the world rankings.
 She twice defeated a reigning world no. 1 player in her career: Martina Hingis at the 1998 Grand Slam Cup and Jennifer Capriati at the 2002 Family Circle Cup.
 In addition, she has defeated former number 1s Lindsay Davenport, Serena Williams, Arantxa Sánchez Vicario, Steffi Graf, Kim Clijsters, Justine Henin, Amélie Mauresmo, Maria Sharapova, Jelena Janković, Ana Ivanovic and Caroline Wozniacki.
This is a list of the main career statistics of professional Danish tennis player Caroline Wozniacki.
 To date, Wozniacki has won twenty-six WTA singles titles including two WTA Premier Mandatory singles titles and three WTA Premier 5 singles titles.
 She was also the runner-up at the 2009 US Open, 2010 WTA Tour Championships, and 2014 US Open, a semi-finalist at the 2010 US Open, 2011 Australian Open and 2011 US Open and a quarterfinalist at the 2010 French Open and 2012 London Olympics.
 Wozniacki was first ranked World No. 1 by the Women's Tennis Association (WTA) on October 11, 2010.
Anabel Medina Garrigues and Caroline Wozniacki were the defending champion, but Wozniacki chose not to participate this year.Medina Garrigues partnered with Virginia Ruano Pascual, but they lost in the second round against Anastasia Pavlyuchenkova and Yanina Wickmayer.
Hsieh Su-Wei and Peng Shuai won in the final 6-3, 6-1 against Alla Kudryavtseva and Ekaterina Makarova.
Aravane Rezaï (] ; Persian: ارغوان رضایی‎ ‎ "Arghavān-e Rezāyi" ] , born 14 March 1987) is an Iranian–French tennis player.
 She has defeated many top players on the WTA circuit, such as Justine Henin, Venus Williams, Victoria Azarenka, Maria Sharapova, Dinara Safina, Francesca Schiavone, Caroline Wozniacki, Marion Bartoli, Flavia Pennetta, Jelena Janković and Ai Sugiyama.
 Her career high rank was No. 15, achieved on 11 October 2010.
Caroline Wozniacki (] , ] ; born 11 July 1990) is a Danish professional tennis player.
 She is a former world No. 1 on the WTA Tour, having held this position for 67 weeks.
 She was the first woman from a Scandinavian country to hold the top ranking position and 20th overall.
 She finished on top of the rankings in both 2010 and 2011.
Allan Stone (born 14 October 1945) played amateur and professional tennis in the 1960s and 1970s.
 He was ranked as high as World No. 38 in singles on the ATP Rankings in April 1975.