Australia's John Millman has caused a major boilover by beating five-time champion Roger Federer in the US Open fourth round at Arthur Ashe Stadium.
Millman, ranked 55 in the world, capitalised on some sloppy serving from an under-par Federer to secure victory with the time approaching 1am in NY and move into a quarter-final clash with another former US Open victor, Novak Djokovic. As the temperatures rose so did the tempers, both players engaging in animated arguments with chair umpire James Keothavong over points.
"I definitely think it was a special one, no doubt about it".
Millman cursed himself for missing one set point but threw everything into a series of forehands to bring up a second and forced Federer into another error.
The biggest concern for Djokovic might well have been the conditions as the heat returned to NY after a few days of relief.
Djokovic, however, was able to keep his cool just long enough to finish off Sousa with another late break.
Millman fought back to win 3-6 7-5 7-6 (9-7) 7-6 (7-3) in three hours 38 mins.
The 29-year old Aussie was having none of it, as he sparked an wonderful turnaround to sensationally break Federer twice in succession and claim the set and level the match.
But that only delayed the inevitable as Nishikori kept his focus to seal the win and extend his flawless record against the German to 3-0.
When asked if he would be watching Federer's match, Djokovic said: "Well I'm going to first try and put the kids to sleep".
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Valencia and outsiders Young Boys, Swiss champion for the first time in 32 years, are also in Group H with United and Juventus . Sky TV announced recently it had acquired the New Zealand TV rights for the Champions League and second-tier Europa League.
Elsewhere in the men's bracket, No. 7 seed Marin Cilic moves on to meet No. 21 seed Kei Nishikori in a quarterfinal.
Keys overwhelmed No. 29 Dominika Cibulkova 6-1, 6-3 thanks to a 25-7 edge in winners and now will face No. 30 Carla Suarez Navarro of Spain.
For Sharapova, it's her first loss at night at the US Open, moving her to 23-1 all-time under the lights at the Open.
He is the first Australian to defeat Federer in a grand slam match since Pat Rafter in 1999.
Second seed Federer - a five-time champion at Flushing Meadows - was an overwhelming favourite to prevail against the world number 55 and set up a blockbuster quarter-final with Novak Djokovic.
She finally pulled it out when the No. 26-seeded Sabalenka double-faulted on match point, tossing her racket to the court in frustration.
Next up for Millman is a quarter-final match-up against Novak Djokovic, and Federer said the sixth seed will have a fight on his hands.
Federer took the opening set courtesy of a break in Millman's first service game.
"Credit to Jaoo for fighting well with a lot of intensity on the court. He was playing great, hitting the ball very, very strong", he said.