Food poisoning has knocked Marin Cilic out of Madrid.
The ninth-seeded Croatian pulled out of the Mutua Madrid Open prior to today's scheduled quarterfinal vs. world No. 1 Novak Djokovic, who moves into the semifinals via walkover.
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Is is Djokovic's sixth career Madrid semifinal.
The two-time Madrid champion will face the winner of today's quarterfinal between Miami champion Roger Federer and Indian Wells winner Dominic Thiem for a spot in the final.
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