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Summary

  1. Federer beats Youzhny 6-1 6-7 (3-7) 4-6 6-4 6-2
  2. Rogers and Gavrilova play longest women's match in US Open history
  3. World number one Pliskova beats Gibbs 2-6 6-3 6-4
  4. Seeds Dimitrov and Berdych knocked out, Del Potro through
  5. Day four of US Open at Flushing Meadows

Live Reporting

By Amy Lofthouse and Matthew Henry

All times stated are UK

Get involved

  1. Post update

    Right, that's us done for today.

    We'll be back tomorrow for Kyle Edmund's match against Canada's Denis Shapovalov from 18:00 BST.

    There'll be online only commentary available on 5 live sports extra, as well as the usual live text.

    I'll leave you with a photo of Roger Federer looking bemused after another five-set marathon. In a bit!

    .
  2. What's happened so far?

    Rublev and Dimitrov

    So, what has gone on so far on day four, I hear you ask.

    Well, the big shock of the day saw seventh seed Grigor Dimitrov knocked out by 19-year-old Russian Andrey Rublev.

    World number one Karolina Pliskova almost suffered the same fate but came from behind to beat American Nicole Gibbs.

    The first match on Arthur Ashe saw fourth seed Elina Svitolina progress while French Open champion Jelena Ostapenko is also into round three with her victory over Sorana Cirstea on Louis Armstrong.

    Juan Martin del Potro's bid for a second US Open title continues as he won today but 15th seed Tomas Berdych is out. He lost to Alexandr Dolgopolov.

    Another notable match saw American Shelby Rogers beat 25th seed Daria Gavrilova in the longest women's singles match in US Open history. It lasted three hours and 33 minutes.

    Shelby Rogers
  3. Post update

    Leon Smith

    Great Britain Davis Cup captain on BBC Radio 5 live sports extra at Flushing Meadows

    It is huge for the Federer team and huge for the tournament. He did a good job. He toughed it out. He is not playing well but is still in the tournament. He has still got motivation which is so important.

  4. Post update

    Federer stat alert...

  5. Still to come

    The night session will get going shortly on Arthur Ashe Stadium.

    Big-hitter Coco Vandeweghe will be on from 00:00 BST as she faces Tunisia's Ons Jabeur, before Rafael Nadal plays Taro Daniel.

    American Madison Keys is still to come on Louis Armstrong Stadium against Tatyana Maria, while Svetlana Kuznetsova is last on Grandstannd Court against Kurumi Nara.

    And Agnieszka Radwanska has just got her second-round match against Yulia Putintseva under way on court 17.

    .
  6. Post update

    An update on that last entry - Thiem is through after winning the fourth set against Fritz 7-5.

  7. Elsewhere at Flushing Meadows...

    It's all been about what was happening on Ashe for the past few hours but a quick update on what's going on elsewhere...

    Sixth seed Dominic Thiem leads Taylor Fritz two sets to one and it's 6-5 to Thiem in the fourth on Louis Armstrong.

    Gael Monfils and Donald Young are into a fifth on Grandstand - it's 3-3 in the decider.

    David Goffin is two sets to one down against Guido Pella - it's 6-5 to Goffin on serve in the fourth.

  8. Post update

    Leon Smith

    Great Britain Davis Cup captain on BBC Radio 5 live sports extra at Flushing Meadows

    It makes it more difficult but he won three five setters in Melbourne to win the title. If he gets through the next matches quicker, which is more difficult, then he will be alright.

    Federer might not give much away in the post-match interviews but it will be interesting. He doesn't play long five-set matches. This was just over three hours.

  9. Post update

    It's another 35-year-old next for Roger Federer - Feliciano Lopez, who overcame fellow Spaniard Fernando Verdasco in four sets today.

    Federer's record against Lopez isn't quite as good as against Youzhny but it's still pretty formidable - 12-0.

    But would you be confident putting any money on the Swiss after that display?

    .
  10. 'I feel warmed up by now'

    Roger Federer speaking after his victory over Mikhail Youzhny: "The five-set battles are a lot of fun. I feel warmed up by now.

    "I haven't played a lot of guys with cramps and the new rules have changed. You are not allowed to get support from the physio so it is hard to watch.

    On Youzhny's cramp: "I feel for him. We go way back to the '98 juniors when we played doubles against each other. This was probably our best match so it was fun out here."

  11. Post update

    Leon Smith

    Great Britain Davis Cup captain on BBC Radio 5 live sports extra at Flushing Meadows

    It was amazing entertainment. It was not about the level. It was up and down from Roger and there was bravery from Youzhny who responded so well after the first set. Federer handed the initiative and Youzhny's confidence grew.

  12. Post update

    A total of 68 unforced errors for Federer, to go with 56 in his first-round match.

  13. Post update

    There's work to be done on the Federer backhand.

  14. Post update

    Only Jimmy Connors, with 98 victories, has won more US Open matches than Roger Federer.

    It's some record.

    Roger Federer of Switzerland applauds
  15. Post update

    Federer still looks fresh as he goes through the post-match routine. No questions about his back from the interviewer, though...

  16. Post update

    David Law

    Radio 5 live sports extra commentator at Flushing Meadows

    Federer hangs over the net exhausted. He might not be fully fit but he's still here.

  17. Post update

    Federer 6-1 6-7 (3-7) 4-6 6-4 6-2 Youzhny

    Mikhail Youzhny departs to cheers from a stadium that seemed to be against him from the very beginning.

    That's Federer's 80th win at Flushing Meadows.

    Roger Federer of Switzerland shakes hands after defeating Mikhail Youzhny of Russia
  18. Game, set and match - Federer

    Federer 6-1 6-7 (3-7) 4-6 6-4 6-2 Youzhny

    He's done it!

    An almighty match and Roger Federer raises his arms to the Arthur Ashe Stadium. He's through to the third round of the US Open after an engrossing three-hour battle.

    Roger Federer of Switzerland celebrates
  19. Match point two

    Federer 6-1 6-7 (3-7) 4-6 6-4 5-2 Youzhny*

    Oh! Glorious from Federer, up on one leg and spanking the ball into the corner of the court. Can he do it on this one?

  20. Deuce again

    Federer 6-1 6-7 (3-7) 4-6 6-4 5-2 Youzhny*

    That serve, though.

    Federer can't pick it up and he backhands his return straight into the net. He goes long from out wide, though, and we're back to 40-40.