British number two Dan Evans was beaten 6-3 6-4 by Kei Nishikori in the second round of the BNP Paribas Open.
With temperatures at Indian Wells in excess of 105 degrees, Evans broke in the opening game but world number five Nishikori hit back immediately and captured the set in 42 minutes.
Breaks were traded again at the start of the second before Nishikori sealed the match in an hour and 24 minutes.
Briton Kyle Edmund faces second seed Novak Djokovic late on Sunday.