Andy Murray and Roger Federer have both slipped in the latest world men's tennis rankings.
Murray, who has just returned from back surgery and was beaten in the quarter-finals of the Australian Open, has dropped 2 places to number 6.
The man that beat him in Melbourne, Federer, also drops 2 places to 8th, his lowest ranking in over a decade.
Rafael Nadal remains number one from Novak Djokovic, Open champion Stanislas Wawrinka, Juan Martin del Potro and David Ferrer.
Meanwhile the New Zealander Michael Venus, who made the third round of doubles in Melbourne, has climbed 31 places in the doubles world rankings to now sit at 96.
