Tennis legends disagree on nature of Nadal . No . 1 has even less success on carpet . Juan Martin del Potro argues the case for an indoor tournament while Richarg Gasquet wants an outdoor event . 2013 action got underway on Monday as Stanislas Wawrinka beat Tomas Berdych . Roger Federer rallied to beat Nadal in the evening session .
Tennis legends disagree on nature of Nadal . Juan Martin del Potro argues the case for an indoor tournament while Richarg Gasquet wants an outdoor event . 2013 action got underway on Monday as Stanislas Wawrinka beat Tomas Berdych . Roger Federer rallied to beat Nadal in the evening session .