In Doha, Andy Murray pulled off an incredible behind-the-back shot against Nicolas Almagro, but ultimately lost the point. Still, his quick thinking earned him a lot of credit for his incredibly fast reflexes. You certainly don't see shots like that everyday.

The world No. 1 won the match, 7-6 (4), 7-5, and may have a special warmup partner to thank for his strong performance.

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On Friday in the semifinals, Murray will face Tomas Berdych, while Novak Djokovic will take on Fernando Verdasco.