World No. 2 Andy Murray, from Britain, took just 73 minutes to ease past France's Edouard Roger-Vasselin, winning 6-1 6-4.

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Elsewhere, Latvian qualifier Ernests Gulbis won his third career ATP title by defeating France's Edouard Roger-Vasselin 7-6 6-3 at the Delray Beach International Championships.

CNN: Nadal ready for Indian Wells

The No. 9 seed Juan Martin del Potro booked a place in round three with a 6-7 7-6 6-4, 6-4 win over France's Edouard Roger-Vasselin.

CNN: Federer breaks grand slam record as Djokovic marches on

Roddick fared no better as Roger-Vasselin secured a surprise win.

CNN: Top seed Murray crashes out at Queen's

The American has slipped out of the top 30 in the world rankings after an injury-ravaged campaign, but losing to Roger-Vasselin, ranked 67th, on the grass he regards as his favourite surface is a new low.

CNN: Top seed Murray crashes out at Queen's