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 comes from a set down to beat Roger Federer . Defending champion will face Time or Albert Montanes in sixth round . World No . 1 Novak Djokovic plays childhood friend Viktor Troicki on this week .
Roger Federer comes from a set down to beat Roger Federer . Defending champion will face Time or Albert Montanes in sixth round . World No . 1 Novak Djokovic plays childhood friend Viktor Troicki on this week .