![Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES - Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES -](https://c8.alamy.com/comp/2E65C8P/andrea-petkovic-of-germany-performs-her-jig-dance-after-defeating-caroline-wozniacki-of-denmark-at-the-sony-ericsson-open-tennis-tournament-in-key-biscayne-florida-march-28-2011-reutershans-deryk-united-states-tags-sport-tennis-2E65C8P.jpg)
Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES -
![Andrea PETKOVIC of Germany dancing her 'Petko-dance' after winning a game at BGLBNPParibas Open 2012 | Gerry Schmit - Sportfoto.lu | sports photography is passion Andrea PETKOVIC of Germany dancing her 'Petko-dance' after winning a game at BGLBNPParibas Open 2012 | Gerry Schmit - Sportfoto.lu | sports photography is passion](http://www.gerryschmit.com/images/20121030175651_te_043.jpg)
Andrea PETKOVIC of Germany dancing her 'Petko-dance' after winning a game at BGLBNPParibas Open 2012 | Gerry Schmit - Sportfoto.lu | sports photography is passion
![Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES - Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES -](https://c8.alamy.com/comp/2CX8H7J/andrea-petkovic-of-germany-performs-her-jig-dance-after-defeating-caroline-wozniacki-of-denmark-at-the-sony-ericsson-open-tennis-tournament-in-key-biscayne-florida-march-28-2011-reutershans-deryk-united-states-tags-sport-tennis-2CX8H7J.jpg)
Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES -
![Tennis TV on Twitter: "It's the Petko Dance! Andrea #Petkovic busts some moves after a 75 62 win over #Pironkova in Sofia. #tennis http://t.co/jekfTJdJ1W" / Twitter Tennis TV on Twitter: "It's the Petko Dance! Andrea #Petkovic busts some moves after a 75 62 win over #Pironkova in Sofia. #tennis http://t.co/jekfTJdJ1W" / Twitter](https://pbs.twimg.com/media/B1Ii-vWCQAAIazw.jpg)
Tennis TV on Twitter: "It's the Petko Dance! Andrea #Petkovic busts some moves after a 75 62 win over #Pironkova in Sofia. #tennis http://t.co/jekfTJdJ1W" / Twitter
![Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES - Andrea Petkovic of Germany performs her "jig dance" after defeating Caroline Wozniacki of Denmark at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 28, 2011. REUTERS/Hans Deryk (UNITED STATES -](https://c8.alamy.com/comp/2CY8FAM/andrea-petkovic-of-germany-performs-her-jig-dance-after-defeating-caroline-wozniacki-of-denmark-at-the-sony-ericsson-open-tennis-tournament-in-key-biscayne-florida-march-28-2011-reutershans-deryk-united-states-tags-sport-tennis-2CY8FAM.jpg)