Tempers were frayed at a rain-hit AIG Japan Open on Thursday and it was up to ice-cool world No.1 Roger Federer to bring calmness back to proceedings.

News photoRoger federer waves to the crowd after his victory over defending champion Wesley Moodie in their third-round AIG Japan Open match on Thursday. Federer beat the South African 6-2, 6-1. AP PHOTO

Top seed Federer dismantled defending champion Wesley Moodie 6-2, 6-1 to advance to the quarterfinals at Tokyo's Ariake Colosseum, with none of the fuss seen in earlier matches featuring Akiko Morigami and Vania King.