Roger Federer's route to the Wimbledon final after Marin Cilic exit

"Yesterday he was playing so, so good, and hitting the ball so hard that I couldn't do anything", Pella said.

He has dropped only 12 games in two matches and appeared in top form so appears to be back in with a chance of taking the title, depending on fitness.

Despite that weird argument, Nadal insists he does not have a personal issue with the veteran umpire. For me, that's not respectful.

"For me personally it was disrespectful".

"But when I made a mistake, I put my shorts on the wrong way round".

"That's normal. I was slow at that moment".

"I do my best to be quick". Navratilova said she would love to see the two players face each other in a final, like ten years ago when the Spaniard won his first Wimbledon title after an nearly five-hour match.

Nick Kyrgios, the 15th seed, also advanced in straight sets, beating Dutchman Robin Haase 6-3 6-4 7-5 to book a date with Kei Nishikori, who ousted Kyrgios's fellow Australian Bernard Tomic 2-6 6-3 7-6 (9-7) 7-5.

His early exit opens up Federer's path to the final even more, with No 8 Kevin Anderson the highest-seeded player left in the Swiss star's half of the draw after No 6 Grigor Dimitrov lost in the first round.

Novak Djokovic eased past Argentina's Horacio Zeballos 6-1 6-2 6-3 to book a showdown with British favourite Kyle Edmund, then insisted a leg muscle twinge was "nothing major".

The Spaniard has now entered the third round at Wimbledon for the eighth time in his career, but for only the third time since he finished runner-up in 2011. Williams beat French tennis player 7-5 7-6 (7/2) in the third round on Friday, keeping alive her hopes of a 24th Grand Slam win.

John Isner, the United States ninth seed, saved two match points, fired 64 aces and 88 winners to defeat Belgian qualifier Ruben Bemelmans 6-1, 6-4, 6-7 (6/8), 6-7 (3/7), 7-5.

Highly-rated American Frances Tiafoe edged out France's Julien Benneteau 4-6 6-3 6-4 6-2.

  • Stacy Allen