United States` Coco Vandeweghe (right) is congratulated by Spain`s Garbine Muguruza after winning their quarterfinal at the Australian Open tennis championships in Melbourne, Australia on Tuesday.

United States' Coco Vandeweghe (right) is congratulated by Spain's Garbine Muguruza after winning their quarterfinal at the Australian Open tennis championships in Melbourne, Australia on Tuesday.
United States' Coco Vandeweghe (right) is congratulated by Spain's Garbine Muguruza after winning their quarterfinal at the Australian Open tennis championships in Melbourne, Australia on Tuesday.
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