Great Britain's Johanna Konta has seen her Miami Open run end at the quarter-final stage following a 6-4 6-2 defeat to Victoria Azarenka.
The world number 23 made a positive start to the match with back-to-back love games on her first two serves, before earning the first break point of the match in the sixth game.
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However, Azarenka was able to hold and broke Konta at the third time of asking in the very next game to take control of the opening set.
There were three more break points for Konta before the end of the set, but Azarenka held on to each of them and eventually took her second set point to move into the lead.
The second set was more straightforward for the Belarusian, who suddenly found a lot more joy against the serve, while protecting her own with minimum fuss.
Back-to-back breaks saw Azarenka take complete control at 5-1, before wrapping things up with her first match point to see out the straight-sets victory.
Azarenka will now face either Madison Keys or Angelique Kerber in the semi-finals.
