Switzerland's Roger Federer sheds tears as he reacts after winning his Davis Cup final singles tennis match against France's Richard Gasquet at the Pierre-Mauroy stadium in Villeneuve d'Ascq, near Lille, November 23, 2014. REUTERS/Gonzalo Fuentes
(Reuters) - Roger Federer will help launch an Australian-developed fast format of tennis when he plays an exhibition match against Lleyton Hewitt in Sydney in January, Tennis Australia said on Tuesday.
The format features four rule variations from the traditional game, with no advantage scoring, no lets, a tiebreaker at three games-all, and the winner of a set being the first to reach four games.
