Andy Murray will not challenge world no. 1 Novak Djokovic in the third round in Madrid today. The Briton withdrew due to an illness and will not fight for a place in the last eight against his great rival. Novak and Andy have played 36 times, with the Serb scoring 25 victories.Their last duel came in Doha 2017, and they will have to wait for some other tournament to embrace their 37th encounter. Murray had planned to skip the entire clay swing, but he changed his mind and took a wild card in Madrid.Seeking his first win on clay since the 2017 Roland G …