 One of Federer 's longstanding rivalries was with American Andy Roddick . Roddick lost his world No. 1 ranking to Federer after Federer won his first Australian Open in 2004 . Federer and Roddick met on 24 occasions , including four Grand Slam event finals ( three at Wimbledon and one at the US Open – all won by Federer ) . Federer 's record is overall 21 – 3 . Roddick himself said it was not much of a rivalry , being so one @-@ sided . 
