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 6-7 (1-7) 5-7 7-5 2-4 Andujar

    A sliced backhand is poor from Edmund before he goes long.

    0-30.

  2. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-4 Andujar

    Well, he was for two points.

    Edmund makes another error and the Spaniard holds.

    A huge hold.

  3. Edmund 6-3 6-7 (1-7) 5-7 7-5 2-3 Andujar*

    Has Edmund gone?

    40-0 on the Andujar serve, before the Spaniard basically plays a grubber of a double-handed backhand.

    40-15.

    Make that 40-30. Hmmm....

    Edmund is back!

  4. Andujar breaks

    Edmund 6-3 6-7 (1-7) 5-7 7-5 2-3 Andujar*

    Yup, that's right.

    Bet he gets broken back straight away!!

  5. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    A fifth break point for Andujar!!!

  6. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    It's now an 11-minute game and we've been playing for four hours.

    Edmund cannot shake off this opponent.

  7. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Edmund saves with a big serve down the T - or does he?

    Andujar challenges.

    He fails.

    Deuce.

    It's a 10-minute game.

  8. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Edmund saves again as Andujar runs out of steam in a backhand battle.

    Both men are shrieking now.

    However...we have a fourth break point.

  9. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Second serve.

  10. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Edmund goes for a backhand down the line and Pablo Andujar's angled return just lands wide.

    But another error brings up yet another break point.

  11. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    This already has the feeling of being a huge game - Andujar comes out on top of a 16-shot rally to save game point.

    He then produces a great winner to bring up another break point.

  12. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Edmund saves but only after Andujar made three great pick-up returns.

    Deuce.

  13. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Error.

    Break point.

  14. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    0-15 then should Andujar have made that passing shot down the line?

    15s each.

    It's as tense as the people bunched up for the 7 train during rush hour.

    30s each.

  15. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-2 Andujar

    Andujar holds.

    Quite superb from the 33-year-old Spaniard.

    Did we mention his three operations on his right elbow?

  16. Edmund 6-3 6-7 (1-7) 5-7 7-5 2-1 Andujar*

    Deuce with a great serve - three break-points saved.

  17. Edmund 6-3 6-7 (1-7) 5-7 7-5 2-1 Andujar*

    0-30.

    Re-break back?

    Edmund twists his body to the right then smacks an unbelievable forehand winner.

    Three golden break points.

    The Briton then looks despairingly at a forehand which he thought that hand landed in.

    15-40.

    30-40.

    Final chance?

  18. Andujar breaks back

    Edmund 6-3 6-7 (1-7) 5-7 7-5 2-1 Andujar*

    Edmund then snatches at a forehand that he would have made about a game ago.

    Break back.

  19. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-0 Andujar

    He is inches from taking the first with a backhand down the line which just drifts out.

    30-40.

  20. *Edmund 6-3 6-7 (1-7) 5-7 7-5 2-0 Andujar

    OK then.

    Andujar has two break-point chances!!