Marin Cilic

Juan Martin Del Potro beat Marin Cilic in four sets to reach the quarter-finals. The Argentinian produced an impressive display to win 5-7 6-4 6-3 6-2 and secure a last eight date with either Roger Federer or Tomas Berdych.

Juan Martin Del Potro celebrates defeating Marin Cilic at the Australian Open. Photograph: JULIAN SMITH/EPA Argentina's Juan Martin Del Potro will play in …

Argentine eighth seed Juan Martin del Potro survived a thorough examination from fellow hotshot Marin Cilic to reach the Australian Open quarter-finals.

The eighth seed defeated Croatian 19th seed Marin Cilic 5-7 6-4 6-4 6-2. The two highly-rated 20-year-olds traded service breaks for the first three sets …

In a first-time battle between rising stars, Juan Martin Del Potro secured a spot among the elite eight at the Australian Open, following his win over Marin Cilic.

MELBOURNE, AUSTRALIA – JANUARY 25: Juan Martin Del Potro of Argentina serves in his fourth round match against Marin Cilic of Croatia during day seven of the 2009 Australian Open at Melbourne Park on January 25, 2009 in Melbourne, Australia.

Rising young stars, Juan Martin Del Potro and Marin Cilic, will take to the court on Sunday to compete for a spot in the Australian Open quarterfinal round.

Fans were once again ejected from Melbourne Park after a mini-riot following the Amer Delic and Novak Djokovic match.

A revitalised Andy Roddick ended French veteran Fabrice Santoro's Australian Open career, while Marin Cilic ousted Spanish seed David Ferrer 7-6 (7/5), 6-3, …

Men?s singles third round: Marin Cilic (19, Cro) bt David Ferrer (11, Esp) 7-6 (5), 6-3, 6-4; Juan Martin del Potro (8, Arg) bt Gilles Muller (Lux) 6-7 (5), 7-5, 6-3, 7-5; Novak Djokovic (3, Srb) bt Amer Delic (US) 6-2, 4-6, 6-3, 7-6 (4); Tommy Robredo (21, Esp) bt Yen-hsun Lu (Tai) 6-1, 6-3, 6-2; Andy Roddick (7, US) vs Fabrice Santoro (Fra) 6-3, 6-4, 6-2; Tomas Berdych (20, Cze Rep) bt …