it feels early doesn t it after andy murray s 4am finish. and the news is different from a british perspective too, because cameron norrie has been knocked out in the third round in melbourne, beaten in five sets by world number 71jiri lehecka. norrie who is the 11th seed has still never reached the last 16 of the opening grand slam of the year. he was twice ahead before lehecka came back both times to take it to a deciding set. it began with norrie having some tape applied to his knee during a medical time out. and whether it affected him or not the 21 year old czech, ranked 71 in the world, took it 6 4. meanwhile, 25 years on from petr korda winning the australian open another korda has made waves in melbourne again. petr s son sebastian beat two time finalist daniil medvedev to reach the fourth round, winning in straight sets against the seventh seed. world number one iga swiatek needed just 55 minutes to progress to the fourth round. she beat spanish qualifier cristina bucsa elsewh