But Nishikori 's strong performance at the U.S. Open has seen him back in Japan . Nishikori reached final at Flushing Meadows before defeat by Croatia 's Marin Cilic . The 24-year - old says other players are now paying more attention to him . To make that U.S. Open final , you had to get past Novak Djokovic in the semis . World No . 6 credits new coach Michael Chang with improving his game .
But Nishikori 's strong performance at the U.S. Open has seen him back in Japan . Nishikori reached final at Flushing Meadows before defeat by Croatia 's Marin Cilic . The 24-year - old says other players are now paying more attention to him . World No . 6 credits new coach Michael Chang with improving his game .