Image source, Getty Images Image caption, Katie Boulter reached the 2nd round of the Australian Open in January British number one Katie Boulter is out of the Miami Open after a fourth-round defeat by Victoria Azarenka of Belarus. The 27-year-old, ranked 30th in the world, lost 7-5 6-1. World number one Iga Swiatek is likewise out after a 6-4 6-2 defeat by 14th seed Ekaterina Alexandrova of Russia. American world number 3 Coco Gauff was stunned by French 23rd seed Caroline Garcia, who reached the last 8 in Miami for the veryfirst time with a 6-3 1-6 6-2 success. Two-time Grand Slam champ Azarenka, 34, will play Yulia Putintseva of Kazakhstan in the quarter-finals. Garcia, who beat four-time Grand Slam champ Naomi Osaka in the previous round, will play American Danielle Collins for a location in the semi-finals. Collins beat Romania’s Sorana Cirstea 6-3 6-2 to development to the last 8. Elsewhere, Kazakhstan’s world number 4 Elena Rybakina advanced with a 6-3 7-5 win over American Madison Keys to set up a conference with Greek 8th seed Maria Sakkari. Sakkari moved in to the quarter-finals with a walkover after Russia
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