[Novo]

Roger Federer kept his dream of a first French Open title alive by coming back from two sets down to beat the unseeded Tommy Haas and reach the last eight.

The exit of Federer's nemesis Rafael Nadal on Sunday has increased the second seed's hopes of glory in Paris.

But he was in big trouble when Haas won the first set on a tie-break and put on a late surge for the second set too.

Federer had to save a vital break point at 3-4 in the third set and recovered to triumph 6-7 (4-7) 5-7 6-4 6-0 6-2.