Rafael Nadal is into the second round of the Australian Open after Marcos Baghdatis retired . Dudi Sela is through after Dudi Sela 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 . I met with all the players , especially the top-10 players . Karol Beck , John Isner and Radek Stepanek all scored victories in Argentina .
Rafael Nadal is into the second round of the Australian Open after Marcos Baghdatis retired . Dudi Sela is through after Dudi Sela 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 . Karol Beck , John Isner and Radek Stepanek all scored victories in Argentina .