tennis fans in Dubai were guaranteed another chance to see him after the Swiss survived a first round scare against Tunisia 's Malek Jaziri . Roger Federer came from a set down to beat Malek Martin . Defending champion will face Marcel Granollers or Albert Costa in second round . World No . 1 Novak Djokovic plays childhood friend Viktor Troicki on Tuesday .
Roger Federer came from a set down to beat Malek Martin . Defending champion will face Marcel Granollers or Albert Costa in second round . World No . 1 Novak Djokovic plays childhood friend Viktor Troicki on Tuesday .