Norrie will play ninth seed Grigor Dimitrov in the second round in Miami
British number two Cameron Norrie produced a sensational final-set comeback to beat Yoshihito Nishioka in the first round of the Miami Open.
Norrie, 25, was 5-1 down in the third set against the Japanese world number 66 but fought back to win 6-1 3-6 7-5.
The world number 56 won six straight games to seal victory and set up a second-round meeting against ninth seed Grigor Dimitrov.
Britain's Katie Boulter and Heather Watson are also in action on Wednesday.
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