Roger Federer was in dominant form on Centre Court as he eased to a 6-2 6-3 7-5 win over Steve Johnson in the Wimbledon fourth round.

Federer, who is chasing an elusive 18th Grand Slam title, will face Marin Cilic in the last eight.

If seedings go to plan, Federer would face Andy Murray in the final.

Despite considerable pre-match hype about Johnson, fresh from victory in Nottingham, there was to be no Independence Day party for the burly American, as Federer showed more than enough to suggest he remains on track for a record eighth Wimbledon men's singles crown.

While Andy Murray-supporting Brits have been rubbing their hands with glee over Novak Djokovic's shock third-round defeat to Sam Querrey, the biggest beneficiary of the Serb's removal may yet prove to be third seed Federer, who on Monday drew level with Martina Navratilova on a record 306 grand slam singles match wins.

In the quarter-finals, Federer will play Croatian ninth seed Marin Cilic who advanced after his opponent, Japanese fifth seed Kei Nishikori, retired injured while trailing 6-1 5-1.

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