Andy Roddick is a tennis player.
The ATP World Tour Masters 1000 ( previously known as the ATP Championship Series , Single-Week , ATP Super 9 , Tennis Masters Series , and ATP Masters Series ) is the third highest tier of men 's tennis tournament after the four Grand Slam tournaments and ATP World Tour Finals . Andy Roddick . He is the most recent North American male player to win a Grand Slam singles event , the most recent to reach the top ranking , and the most recent to claim the year-end world No. 1 ( 2003 ) . The Grand Slam tournaments , also called majors , are the four most-important annual tennis events .