Serena Williams retires injured at 3-3 in first set against Aliaksandra Sasnovich
Williams appeared to be hurt when losing her footing in fifth game of match on Centre Court
Roger Federer into second round after Adrian Mannarino retires one point into final set
Mannarino could not continue after slipping on court late in fourth set - also on Centre Court
Nick Kyrgios v Ugo Humbert 3-3 in final set when 23:00 BST curfew ends play on day two
Coco Gauff beats GB's Francesca Jones 7-5 6-4
Top seed Ashleigh Barty overcomes Carla Suarez Navarro 6-1 6-7 (1-7) 6-1
Dan Evans defeats Feliciano Lopez 7-6 (7-4) 6-2 7-5
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Barty sends Suarez Navarro running around the court and then, from well behind the baseline sends one high in the air. Barty takes it full on the volley, but there's a surprising lack of control and it flies long. 0-30.
*Griekspoor 3-6 4-6 1-5 Zverev
Andrew Castle
BBC Sport tennis commentator on BBC One
These are clean hits from Zverev, he finds the middle of the racket a lot of the time. His success has come from his clean striking. I think he's added touch over the last two or three years, as well as a few kilos of muscle weight. This is one-way traffic here.
Image source, Getty Images*Barty 6-1 5-4 Suarez Navarro
That could be the crucial point of the match. With her first break-point opportunity, Barty takes it and that's the break she wanted.
The world number one will now be serving for the match.
We've seen some good rallies from the baseline in this game, Barty then opens up the shoulders to unleash a forehand winner. That slip from earlier on does not appear to have caused any damage.
Indeed, she now is 30-40 up, break point.
Barty 6-1 4-4 Suarez Navarro*
A beautiful cross-court backhand angled winner from Suarez Navarro takes us to deuce, before Barty's 10th ace of the match gives her advantage and, shortly afterwards, the game.
Chanda Rubin
American former world number six on BBC TV
Barty needs to pay attention to how much energy Suarez Navarro has here, she's been breathing hard.
Been some very physical points, extended rallies.
Barty is doing a good job of keeping the ball on the Suarez Navarro racquet - not giving her a chance to breathe a bit easier.
*Barty 6-1 3-4 Suarez Navarro
A sliced drop shot from Ashleigh Barty spins agonisingly out and that gives Suarez Navarro game point, which she takes soon after. Still on serve in the second set on Centre Court.
We've only got action under the roofs on Centre and Court One at the moment, with the covers on all the others.
Barty 6-1 3-3 Suarez Navarro*
This has been a good recovery from Suarez Navarro after an uncompetitive first set, but the 32-year-old has slowed down Barty's charge and this second set could go either way.
Barty 6-1 3-3 Suarez Navarro*
Another hold for Ashleigh Barty in the books. Suarez Navarro had won a couple of points but can't do more as she sends one high in the air and Barty smashes it away with contempt to win the game.
Only 47 minutes gone and we're 3-3 in the second set.
*Barty 6-1 2-3 Suarez Navarro
Sam Smith
Former British number one on BBC TV
And Suarez Navarro is looking very promising in this second set, we remain on serve.
Image source, Getty Images*Barty 6-1 2-3 Suarez Navarro
Ashleigh Barty's movement does not appear to be hampered by that slip but the game goes Suarez Navarro's way as a Barty backhand down the line is off range.
Barty 6-1 2-2 Suarez Navarro*
Another slip on Centre Court, after we had a little bit of rain earlier, before the covers came on and the roof was then closed.
Barty, who had to withdraw from the French Open because of injury, is the one who slipped and gets to her feet very gingerly indeed, hoping there's no damage. One to monitor.
Griekspoor 3-6 4-6 Zverev
Fourth seed Alexander Zverev is closing in on the second round.
The German is looking in good shape and has just wrapped up the second set 6-4 for a two-set lead against Tallon Griekspoor on Court One.
Image source, Getty ImagesBarty 6-1 2-2 Suarez Navarro*
Suarez Navarro has a break point chance, only her second of the match, but a backhand drifts wide, before she blasts a forehand into the net.
She then can only send a looping return on the stretch out and Barty survives that scare.
Korda 6-3 6-4 6-7 (5-7) 7-6 (7-5) De Minaur
Despite the rain, play still continued initially on some of the outside courts.
On court 17, 20-year-old American Sebastian Korda has delivered a shock after beating 15th seed Alex De Minaur 6-3 6-4 6-7 (5-7) 7-6 (7-5), before play across the rest of those courts was suspended.
Kiki Bertens was allowed to play four minutes of her match against Marta Kostyuk before the players were taken off the court.
*Barty 6-1 1-2 Suarez Navarro
A couple of Hawk Eye challenges from Carla Suarez Navarro. One goes against her, one goes for her - by one millimetre.
The Spaniard, with a cracking one-handed backhand, then gets fortunate as the ball bounces off the tape and just creeps over.
That brings deuce.
Sam Smith
Former British number one on BBC TV
Had Barty continued with cricket she could have made the Australian team, she's a scratch golfer... Tennis is like her third sport!
*Barty 6-1 1-2 Suarez Navarro
They're racing through this match at some pace. Suarez Navarro storms through her service game and now leads 2-1 in the second, but can she make a breakthrough and disrupt Barty's brilliant serving?
Image source, Getty ImagesBarty 6-1 1-1 Suarez Navarro*
Ashleigh Barty's serve has been superb so far and she has won 95% of the points on her first serve. Another ace, another hold to love and it's 1-1 in the second.
*Barty 6-1 0-1 Suarez Navarro
A backhand into the net from Barty gives Carla Suarez Navarro a hold and only her second game of the match.
Can that be a springboard into this match? She had one break-point chance on the Barty serve in the first set and didn't take it.