Osaka, Keys mount thrilling fightbacks, Auger-Aliassime exits at US Open

NEW YORK, Sept 3 : Twice champion Naomi Osaka overcame mid-match mistakes to progress while Madison Keys saved five match points to keep her campaign alive in the U.S. Open second round on Thursday, as men's third seed Felix Auger-Aliassime crashed out.A perennial fan favourite in New York, Osaka survived an up-and-down affair against Czech Katerina Siniakova to win 6-2 5-7 6-1, harnessing the mental resolve she has taken years to hone on the court where she claimed her maiden major eight years ago."I just told myself that it's an honour to play on this court," Osaka told the crowd at Arthur Ashe Stadium. "I just want to keep playing in front of you guys if possible."The 28-year-old Japanese player's match was not the only nail-biter across the sprawling Flushing plaza, as American Keys mo