United States’ Danielle Collins (left) is congratulated by Russia’s Anastasia Pavlyuchenkova after winning their quarterfinal match at the Australian Open tennis championships in Melbourne, Australia on Tuesday.

United States' Danielle Collins (left) is congratulated by Russia's Anastasia Pavlyuchenkova after winning their quarterfinal match at the Australian Open tennis championships in Melbourne, Australia on Tuesday.
United States' Danielle Collins (left) is congratulated by Russia's Anastasia Pavlyuchenkova after winning their quarterfinal match at the Australian Open tennis championships in Melbourne, Australia on Tuesday.
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