MIAMI: The Swiss tennis star Roger Federer has faced a shocking defeat from Kei Nishikori of Japan on Wednesday in the quarter- final of the Sony Open, ARY News reported.
Kei Nishikori scored the upset of the Sony Open, coming back from a set and a break down to claim victory over 17-time grand slam winner by 3-6, 7-5, 6-4 advancing to his second ATP Masters 1000 semifinal.
After knocking off fourth seeded Spaniard David Ferrer in a three-hour marathon on Tuesday, the 21st ranked Japanese was forced to go the distance again, surviving a two-hour centre court battle with Federer.
Nishikori has been one of Federer's few bogeymen, having now gotten the better of the Swiss maestro in two of their three career meetings.
Nishikori will face Novak Djokovic on Friday in Miami at the Tennis Center at Crandon Park.