Tennis: Aussie open - Roddick cruises into Q-Finals

Andy Roddick cruised into the quarter-finals of the Australian Open on Monday with a straight-sets win over Germany's Philipp Kohlschreiber. Roddick overpowered the 21-year-old world number 102, racing to a 6-3 7-6 6-1 victory on the Vodafone Arena in Melbourne.

The second seed will face Nikolay Davydenko in the last eight, Davydenko having disposed of Britain's seventh seed Tim Henman in the third round and Guillermo Canas in the fourth round.

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