IMG Worldwide, the global sports, fashion and media company, has announced that it has signed ATP world number one-ranked Serbian Novak Djokovic for exclusive worldwide management and representation. Under the terms of the exclusive multi-year agreement, IMG will represent Djokovic in developing a brand building strategy through marketing, endorsements, appearances and licensing along with select global business initiatives.

Madison Keys and Rhyne Williams won the USTA Australian Open Wild Card Playoffs last weekend in Atlanta, earning a trip to Melbourne to take part in the 2013. For Keys, it's her second win in a row at the Australian Open Playoff. For Rhyne, it will be his first appearance at a Grand Slam other than the U.S. Open where he qualified this year and played fellow American Andy Roddick.

The ATP has reportedly expressed concern with the U.S. Open's switch to hosting its finals on a Monday in 2013 and has voiced its opinion on the prize money increase for the tournament.

The USTA has announced that prize money for the 2013 U.S. Open will be increased by $4 million, doubling the record $2 million increase of 2012. Total U.S. Open prize money in 2013 will be $29.5 million.

The ATP World Tour is set to return to Bogotá, Colombia, in 2013, following the ATP Board of Directors’ approval of the sale of the Los Angeles tournament, an ATP World Tour 250 event, to IMLA de Colombia, a Colombian entertainment and sports marketing company.

The International Tennis Federation (ITF) has announced that Novak Djokovic of Serbia and American Serena Williams have been named the 2012 ITF World Champions. This is the second consecutive year that Djokovic has received the honor, while Serena is named Women’s World Champion for the third time.

Four years ago at the Royal Albert Hall, John McEnroe lost 11-9 in a final set Champions’ Tie-Break to Jeremy Bates, and decided that it was time to bow out of his favorite ATP Champions Tour event for good. But on Thursday, at the Statoil Masters Tennis, McEnroe avenged his defeat to Bates 6-4, 6-1 and knew that he had made the right decision to return to the event ...

The U.S. Davis Cup will host Brazil in the first round of the 2013 competition, Feb. 1-3, also known as Super Bowl weekend, in Jacksonville, Fla. In 2012, the U.S. played all three Davis Cup ties on the road, posting impressive wins over a Roger Federer-led Swiss team and a strong French team in Monte-Carlo before losing to Spain in the semifinals.

The brightest stars of world tennis are headed to Sydney in January with Apia International Sydney tournament organizers announcing nine top 10 players are set to compete for the prestigious titles. The lineup for the 2013 Apia International Sydney Tournament, set for Jan. 6-12, includes seven top 10 women, two top 10 men and three previous Sydney champions. The men’s draw boasts two top 10 stars in French pair world number eight Jo-Wilfried Tsonga and number 10, Richard Gasquet, and top-ranked American, John Isner (currently ranked 14th in the world).

At the 2012 U.S. Open, two storied careers came to a close, as both American Andy Roddick and Belgium’s Kim Clijsters took to the court for the final time in their careers.

Argentina's Juan Ignacio Chela has announced his retirement from professional tennis, leaving with six ATP singles titles and three in doubles, all on clay. The 33-year-old Chela has been hinting at retirement for weeks, and he announced his decision on Monday on his Twitter account (@ JuanIChela).

The WTA has been revealing its WTA Player Awards voted for by the international media, including first Comeback Player of the Year Yaroslava Shvedova, Newcomer of the Year Laura Robson, Doubles Team of the Year Sara Errani & Roberta Vinci and Most Improved Player Sara Errani, and Player of the Year Serena Williams. The fans have voted for the fifth and final wave of WTA Player Awards for 2012.