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Notable upsets in tennis over the years

Photos Logo Photos | Slide 1 of 35: NEW YORK, USA - SEPTEMBER 3: Roger Federer of Switzerland during the men's singles match against John Millman (not seen) of Australia on US Open 2018 tournament in New York, United States on September 3, 2018.
 (Photo by Mohammed Elshamy/Anadolu Agency/Getty Images)

John Millman defeats Roger Federer – 2018 US Open, Fourth round

The five-time US Open champion was knocked out of the tournament after losing to the Australian 3-6, 7-5, 7-6, 7-6. This was Millman's first win against a top 10 player. Millman also became the first Australian to beat Federer in a Grand Slam game, since Pat Rafter in 1999.

© Mohammed Elshamy/Anadolu Agency/Getty Images
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