page_title: Caroline Wozniacki
section_title: Junior career
hierarchical_section_title: Caroline Wozniacki / Junior career
caption_attribution_description: English: Caroline Wozniacki at the 2006 Wimbledon girls final. Deutsch: Caroline Wozniacki im Wimbledon Juniorinnen-Einzel Finale 2006 gegen Magdalena Rybarikova (3:6, 6:1, 6:3)
context_page_description: Caroline Wozniacki is a Danish former professional tennis player. She reached world No. 1 in singles, the 20th in the Open Era, and the first woman from a Scandinavian country to hold the top ranking position. She finished on top of the rankings in both 2010 and 2011.
  She won 30 WTA singles titles, including six in 2010 and 2011, the most in a year by a WTA player from 2008–2011. She was runner-up at the 2009 US Open and the 2010 WTA Tour Championships to Kim Clijsters, and at the 2014 US Open to Serena Williams. She won the 2006 Wimbledon girls' singles title and also holds two WTA titles in doubles. In 2008, Wozniacki won the title of WTA Newcomer of the Year. In 2017, she won the season-ending WTA Finals in Singapore for the first time in her career. Wozniacki won her maiden Grand Slam title at the 2018 Australian Open and returned to the No. 1 ranking on 29 January 2018.
  On 6 December 2019, Wozniacki announced that she would retire from professional tennis following the 2020 Australian Open, held in January.
context_section_description: Wozniacki had a career-high junior ranking of No. 2 in the world. She made her debut on the ITF Junior Circuit,  the premier 18-and-under junior tour that is run by the International Tennis Federation (ITF), in October 2003 at 13 years and 3 months old. During her first month, she entered two Grade 5 events in Denmark, the lowest-level tournament on the tour. Wozniacki reached the final at both singles events, winning the second over compatriot Hanne Skak Jensen. With this success, she moved up to Grade 3 and Grade 4 tournaments, winning her first four singles events of 2004. Her win streak of five tournaments and 27 matches came to an end in April with a semifinal loss to Latisha Chan at the International Juniors Championships in Manila, her first event outside of Scandinavia as well as her first Grade 1 event. From this point on, Wozniacki only competed in Grade A and Grade 1 events, the two highest-level tournaments. She made her Grade A debut at Wimbledon before turning 14, losing her first main draw match. Towards the end of the year, Wozniacki won her first Grade A title at the Osaka Mayor's Cup.
  Wozniacki won several junior tournaments in 2005, including the Orange Bowl tennis championship. She made her debut on the WTA Tour at Cincinnati's Western & Southern Financial Group Women's Open on 19 July 2005, losing to the top-seeded and eventual champion Patty Schnyder in the first round. In the Nordea Nordic Light Open, her other WTA tournament of the year, she lost to Martina Suchá in the first round.
  In 2006 she was the top seed at the Australian Open (junior girls' singles), but lost the final to eighth-seeded Anastasia Pavlyuchenkova. She was seeded second with partner Anna Tatishvili in the doubles tournament, but the pair was knocked out in the semifinals by the French-Italian pair of Alizé Cornet and Corinna Dentoni, who were seeded 8th. In February at the Memphis, she reached her first WTA Tour quarterfinal, beating Kristina Brandi and Ashley Harkleroad before losing to third-seeded Sofia Arvidsson of Sweden. Before Wimbledon Wozniacki won the Liverpool International Tennis Tournament, an exhibition tournament, beating Ashley Harkleroad in the final. Later that year she was given a wildcard to the qualifying draw at Wimbledon, where she was beaten in the first round by Miho Saeki. However, Wozniacki went on to win the Wimbledon girls' singles tournament, beating Slovak Magdaléna Rybáriková in the finals. In August, she reached another WTA Tour quarterfinal, this time at the Nordea Nordic Light Open in Stockholm. She defeated top-100 players Iveta Benešová and Eleni Daniilidou, then lost to eventual champion and third-seeded Zheng Jie.
  Wozniacki was seeded second in the US Open girls' singles. In the first round, she won the first set against Russian Alexandra Panova, but was disqualified in the second set for verbally abusing an umpire. Wozniacki was said to have used an expletive in referring to a linesman who made a disputed call. However, on her blog, she claimed to have said "take your sunglasses of [sic]" and was mistaken for talking to the linesman, when she in fact was criticizing herself after the next point.
  In her last junior tournament, the Osaka Mayor's Cup, she won both the girls' singles and doubles. Her first title on the senior tour came in October when she won the $25,000 tournament in Istanbul by beating Tatjana Malek in the final. Wozniacki was set to face Venus Williams on 27 November in an exhibition match in Copenhagen, but five days before the event, Williams canceled because of an injury. The two did, however, face each other in the Memphis WTA Tier III event on 20 February. Williams beat Wozniacki, ending a nine-match winning streak for Wozniacki. On 29 November Wozniacki was named ambassador for Danish Junior Tennis by the Culture Minister of Denmark at the time, Brian Mikkelsen.
  On 4 February 2007, she won a $75,000 singles title in Ortisei, beating Italian Alberta Brianti. On 4 March, she won the $75,000 tournament in Las Vegas, beating top-seed Akiko Morigami in the final. She obt
caption: Wozniacki during the Wimbledon junior final
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