Roger Federer overflew his eighth final against Philipp Kohlschreiber (6-4, 6-2, 7-5), validating his ticket for a tantalizing quarter-final against Juan Martin Del Potro at the US Open.

Federer unveiled Philipp Kohlschreiber. (Reuters)

There was no surprise on Monday night in Arthur-Ashe Stadium, Roger Federer unceremoniously dismissed Philipp Kohlschreiber (6-4, 6-2, 7-5), confirming the impression that " it rises in power match after match in this US Open. Progress probably needed before an explosive quarter-final against Del Potro.

For two rounds, Federer flew over. He bent the first set in thirty-six minutes and then only needed twenty-seven to pocket the second. Within the space of that hour, he had converted three out of five on his side, posting twenty-five winning shots for only thirteen direct fouls. A clean and flawless job against an opponent who is always as good to him (12th victory in as many encounters).

The third round was a little longer with the introduction, the only small moment of doubt for fans of Switzerland, who asked for a medical time out to be treated outside the field. "In fact, I needed to massage my lower back ... and the buttock," laughed Federer pretending to be embarrassed after the game. And I did not want to do it on the ground but it was settled as soon as possible. "

Returning to the field, the world number three took his time (45 minutes) but was able to accelerate when needed, offering two breaks at 5-5. He converted from the first of a winning lap against a Kohlschreiber netted a little too timidly (6-5). He concluded in the wake this clinical work without having granted the slightest bullet of break on his service. "I did not lose my match service, it's the first time in the tournament and it's good," he said. I play more freely when it's like that. "

Now with 32 victories out of 33 matches in the "night session", he will meet Juan Martin Del Potro in the quarterfinal Wednesday, after the incredible victory of Argentina against Dominic Thiem. "It's good to see him back here on the circuit, being there, beating the best, it's great for the sport," said Switzerland. We had a good game in Miami this year and replay it here after the 2009 epic final, it's great, I'm looking forward to it. "The ambience promises to be boiling Wednesday in the biggest tennis world.