Rafael Nadal is into the second round of the Australian Open after Marcos Daniel retired . Andy Murray is through after Karol ##ina was also forced to retire in their match . He is joined in the next round by Argentina 's Juan Martin del Val , who defeated Dudi Sela . Marcos Baghdatis , John Isner and Peter Stepanek all scored victories in Melbourne .
Rafael Nadal is into the second round of the Australian Open after Marcos Daniel retired . Andy Murray is through after Karol Beck was also forced to retire in their match . He is joined in the next round by Argentina 's Juan Martin del Potro , who beat Dudi Sela . Marcos Baghdatis , John Isner and Radek Stepanek all scored victories in Melbourne .