As the first Grand Slam event of the year gets underway, news coming out of the Australian Open revealed a rift between tennis’ two biggest stars. Rafael Nadal and Roger Federer, both signed to Nike, had clashed on issues like revenue percentage dedicated to prize money for Grand Slam tournaments, plus the current rankings system and grueling tour schedule. Both have since made public statements downplaying the magnitude of the disagreement, adding that the two have summarily mended their fences. Now the most pressing issues for each are nagging injuries and the surging Novak Djokovic. Luckily, Nike has equipped all their players with the best tennis apparel and footwear, and the brand’s lookbook for the 2012 Australian Open showcases what each athlete will be wearing on the courts at Melbourne Park. Click through to check out looks from Nadal and Federer, as well as Li Na, Maria Sharapova, Bernard Tomic and Serena Williams.