Lleyton Hewitt knows how it feels to be No. 1 in the world. Anything less is no big deal to him. Hewitt rallied to beat Carlos Moya 6-7 (5), 6-2, 6-4 in a first-round match at the ATP Masters Cup Championships on Tuesday and retained a chance to catch Andy Roddick for No. 2 in the world this year. Not that it matters much to Hewitt.