The young Russian defeated the 20-time major champion in straight sets.
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Two grand slam champions battled at the Western & Southern Open on Wednesday
The Brit lost in straight sets in the opening round at Cincinnati
The Portuguese player defeated Dan Evans in a compelling five-setter on Saturday.
The 18-year-old Canadian defeated fellow countryman Pospisil on Canada Day.
The American defeated the defending champion at Roland Garros
The Austrian rolled the fan-favorite in straight sets.
The 17-year-old American has broken into the world top 40.
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