Before the kettle even whistles, the first point Sunday morning ends on a topspin backhand winner up the line. The Swiss gets back to deuce. This is the fifth game of the fourth set. Longest game of the match so far. It is 7:15 a.m. ET. After 3½ hours, Roger Federer, The Swiss, trails The Spaniard, Rafael Nadal, two sets to one. They're tied now at two games each. "This is a backbreaker for Federer if he loses," the television says.