Andy Murray surrendered a one-set lead to crash out of the Pacific Life Open at the hands of German Tommy Haas.

The British number one started strongly, breaking in the third and fifth games to take the opening set.

Murray's serve deserted him in the second and Haas stormed to a 4-1 lead, and though Murray recovered the break, the German broke again to level.

Murray passed up five break points in the decider and paid for it as Haas broke him to love and then served out.

The Scottish 20-year-old berated himself afterwards, saying: "If I had played a bit more aggressively in the third set - like I did in the first set - then I would have won the match.

"I still think I was good enough to win the match but I didn't."

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