In the upset of this year's Australian Open, Roger Federer went down in the third round at Melbourne Park.
Roger Federer suffered a shock loss to Italy's Andreas Seppi in the Australian Open third round on Friday.
The Swiss second seed's exit was his earliest at Melbourne Park since 2001, when Arnaud Clement beat him.
Seppi claimed a 6-4 7-6 (7-5) 4-6 7-6 (7-5) victory on Rod Laver Arena, his first win in 11 meetings against Federer and just seventh in 74 meetings against top-10 players.
The Italian finished with 50 winners and 40 unforced errors in a stunning performance.
It came as a surprise when Seppi broke in the ninth game and to love, Federer's three unforced errors and a double fault proving costly.
Federer finished the opening set with 17 unforced errors, including 12 off the forehand side.
The Swiss great had Seppi under pressure early in the second but Federer was broken in the third game.
Seppi broke for a 2-1 lead but this time Federer did break straight back as his Italian opponent put a forehand into the net.
The ninth game of the set would be good for Seppi once more.
Federer was on top of a rally as he looked to save a second break point but he let what would have been an easy volley go " only to see the ball hit the line.
But the response was immediate as Federer levelled for 5-5, courtesy of a dead net cord on break point.
Federer held to love to lead 6-5 before Seppi forced a tie-break " which the latter came from 4-1 down to win.
A passing shot clipped the line for Seppi to save a break point in the opening game of the third set, and he held.
Federer broke for a 2-1 lead, helped by a Seppi double fault and forehand into the net.
At 4-3, he had to fight back from 0-30 down " and he did " before serving out the set to love.
Federer looked the more likely to break serve in the fourth set but failed to do so.
Serving at 5-6, Federer appeared in trouble more than once before holding serve.
A topsy-turvy tie-break went Seppi's way as he found the corner with an unlikely floating forehand passing shot to clinch the biggest win of his career.