Rio Olympian John Millman staged an incredible comeback to upset world No.2 Roger Federer for a place in his first Grand Slam quarterfinal at the US Open.
Millman stuns Federer to reach quarterfinals at US Open
![Millman stuns Federer to reach quarterfinals at US Open](/_next/image/?url=https%3A%2F%2Fcontent.olympics.com.au%2Fpublic%2Fstyles%2Flandscape_header_section%2Fs3%2F2019-06%2Fgettyimages-1026587970-12.jpg.webp%3Fitok%3DTVoIja3u&w=1200&q=90)
Rio Olympian John Millman staged an incredible comeback to upset world No.2 Roger Federer for a place in his first Grand Slam quarterfinal at the US Open.