Summary

  • American 15-year-old Coco Gauff beats Russian teenager Anastasia Potapova 3-6 6-2 6-4 in US Open first round

  • British number one Kyle Edmund loses 3-6 7-6 (7-1) 7-5 5-7 6-2 to Spain's Pablo Andujar in the US Open first round

  • Top seed and defending champion Naomi Osaka comes from behind to beat Russia's Anna Blinkova in her opener

  • Three-time US Open champion Rafael Nadal faces Australia's John Millman at 00:00 BST

  • Wimbledon champion Simona Halep beats Nicole Gibbs

  • Use audio icon at the top of the page for BBC Radio 5 Live Sports Extra commentary

Live Reporting

Laura Savvas, Emma Sanders and Saj Chowdhury

  1. Edmund 6-3 3-1 Andujar*

    What time is it Pablo?

    "It's drop-shot o'clock!!"

    The Spaniard produces a beauty which Edmund initially opts to run for before realising there's no point.

    30-0.

  2. Edmund 6-3 3-1 Andujar*

    It's 30-15 before Edmund strikes a forehand which is screamed "Out!".

    The Brit asked his team whether it's worth a challenge, his team say, "no mate".

    30-30.

    40-30.

    Edmund seals with another winner down the line.

  3. 'I don't believe what I've just seen!'

    *Osaka 6-4 6-6 (4-5) Blinkova

    David Law
    BBC Radio 5 Live Sports Extra tennis commentator

    I don't believe what I've just seen! Forehand on the run on the stretch and somehow she got in back in the court for a clean winner, Blinkova. Where did she come from?!

  4. Tie-break

    *Osaka 6-4 6-6 (4-5) Blinkova

    An ace from Osaka.

    And then Blinkova picks up a stunning return to pass down the line, coming out on top in a brilliant rally.

  5. *Edmund 6-3 2-1 Andujar

    Pablo Andujar plays probably his best shot of the match - a firm backhand winner down the line. That's about as good as it's got from him.

    0-15.

  6. 'You can feel the stress'

    *Osaka 6-4 6-6 (3-3) Blinkova

    David Law
    BBC Radio 5 Live Sports Extra tennis commentator

    My goodness! What is happening out there?! The stress - you can feel it!

  7. Tie-break

    *Osaka 6-4 6-6 (3-3) Blinkova

    Osaka gets the mini-break back and a one-two punch draws her level.

    OsakaGetty Images

  8. Tie-break - Blinkova gets mini-break

    Osaka 6-4 6-6 (1-3) Blinkova*

    The Russian draws blood first.

  9. 'Blinkova has been undaunted'

    Osaka 6-4 6-6 Blinkova*

    Chanda Rubin
    American former world number six at Flushing Meadows

    This is pressure tennis and there are such small margins here. Blinkova had been impressive. She's played such few matches like this in relation to Osaka. Blinkova has been undaunted.

  10. *Edmund 6-3 2-1 Andujar

    The 33-year-old holds with only his sixth winner of the match.

  11. Osaka broken - heading to a tie-break

    Osaka 6-4 6-6 Blinkova

    Nightmare. Osaka misses an opportunity at match point and is suddenly facing another break point.

    This time, Blinkova takes control, pushing her deeper into each corner before Osaka eventually swats a backhand wide.

    She challenges the call but it's no use - it's wide. We're going to a tie-break...

  12. Edmund 6-3 2-0 Andujar*

    Another double fault from Pablo Andujar - his fourth - makes it 15-30.

    The Spaniard seems more dependent on unforced errors from Edmund for points at the moment.

  13. 'Letting out excitement in screeches of celebration'

    *Osaka 6-4 6-5 Blinkova

    David Law
    BBC Radio 5 Live Sports Extra tennis commentator

    Osaka was four five down, she saved three set points, some of that was maybe helped along a little by her opponent, but then suddenly the shackles came off and when Osaka managed to hold onto her serve.

    She just started ripping winners out everywhere. She was getting excited as she hit them, she was letting out excitement in screeches of celebration.

  14. Jonathan Jurejko
    BBC Sport at Flushing Meadows

    US OpenBBC Sport

    Flushing Meadows compared to Wimbledon is a microcosm of how New York differs to London: louder, brighter, brasher.

    Edmund remarked on the atmosphere before the tournament, saying he actually enjoys the razzmatazz.

    A constant chatter can be heard in the stands - that wouldn’t be tolerated at Wimbledon - while exuberant cheers sweep over from Ashe and a raucous court 14 next door where Kazakh Alexander Bublik is playing Colombia’s Santiago Giraldo.

    Edmund is certainly feeding off the noise now, landing some hefty groundstrokes which are troubling Andujar

  15. Edmund 6-3 2-0 Andujar*

    Edmund finally holds - he was 0-30 down and a facing a break.

    That'll make him feel a whole lot better.

  16. *Osaka 6-4 6-5 Blinkova

    Screams of "COME ON!" from Osaka as once again, she comes back from 30-0 down with two superb forehand winners.

    OsakaGetty Images

  17. *Edmund 6-3 1-0 Andujar

    Edmund saves by swinging the Spaniard from side to side (not literally) before posting a forehand winner down the line.

  18. 'Osaka point couldn't have come at bigger and better time'

    *Osaka 6-4 6-5 Blinkova

    Chanda Rubin
    American former world number six at Flushing Meadows

    Every member of the Osaka box immediately stood up, gave her a standing ovation after that point. It couldn't have come at bigger and better time in the match.

  19. Osaka to serve for match

    *Osaka 6-4 6-5 Blinkova

    After seeing off three set points, Osaka now has three break points!

    And she gets it with a stunning forehand winner! Wow - that's how quickly things can turn on its head.

    She's now serving for the match.

    Osaka serveGetty Images

  20. *Edmund 6-3 1-0 Andujar

    Deuce - Andujar isn't playing anywhere near his best but he's stubbornly making life difficult for his opponent.

    Edmund then produces an error on his forehand.

    One break-back point.