TENNIS: Andy Murray could miss Roland Garros due to injury

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Andy Murray says he would be "very surprised" to be fit for the French Open after retiring injured against Marcel Granollers at the Italian Open.

The Briton endured a miserable 26th birthday as he retired from his second-round tie with a lower back injury. Murray looked troubled throughout and despite battling back to win the second set tie-break on the Rome clay, he then withdrew before the decider.

The second Grand Slam tournament of the year begins at Roland Garros on 26 May.