MELBOURNE, Australia — It is not as if Andy Murray does not already have plenty on his active mind in normal Grand Slam circumstances. He likes a wide lens during big tennis tournaments: keeping tabs on the margins of his sport as well as the more central issues and figures.
But the real-world concerns have been piling up at this Australian Open: from the impending birth of his first child, which could have him on a plane out of Melbourne on short notice, to the medical issues of his father-in-law, Nigel Sears, which also could have kept him from continuing.