Day six - men's and women's plus doubles third round matches
Nick Kyrgios loses 6-1 7-6 (7-3) 6-4 to Kei Nishikori
Kyle Edmund beaten by Novak Djokovic in four sets
Alexander Zverev loses in five sets to Ernests Gulbis
World number one Simona Halep beaten 3-4 6-4 7-5 by Hsieh Su-wei
Nine of top 10 women's seeds knocked out by third round
Rafael Nadal defeats Alex de Minaur 6-1 6-2 6-4 to reach last 16
Zverev 6-7 (2-7) 0-0 Gulbis*
Peter Fleming
Seven-time Grand Slam doubles champion
Gulbis has been by far the most aggressive player. He probably doesn't have too much confidence in his forehand so thinks it is in his best interests to go for winners.
It is paying off but there is still a long way to go.
Image source, Reuters*Zverev 6-7 (2-7) Gulbis
What a lob from Ernests Gulbis! Alexander Zverev can't find his target as he sprints back towards his own baseline - the world number 138 takes the opening set.
*Zverev 6-6 (2-6) Gulbis
Double fault.
Four set points Gulbis.
Kerber 6-2 4-2 Osaka*
Another terrific serve out wide from Angelique Kerber puts her in front.
Whoops. That's a shank from Naomi Osaka, and a hold for Kerber.
* denotes next server
Image source, EPA*Zverev 6-6 (2-5) Gulbis
Ernests Gulbis takes another mini-break on the Alexander Zverev serve, and then flings in a wonderful slice to get the giant German pounding up court only to come up short.
He's two points away.
*Kerber 6-2 3-2 Osaka
A good body serve from Angelique Kerber takes us to 15-30, before the German steadies herself and clatters a forehand winner into the corner of the court to draw level.
Osaka fires a backhand out wide and a sprawling Kerber nets for deuce.
*Zverev 6-6 (1-2) Gulbis
Oh dear, Zverev flops a forehand long after a poorly placed Gulbis drop shot. The Latvian rifles down a stinging serve, only to then wrap a backhand into the net.
*Kerber 6-2 3-2 Osaka
Every time Naomi Osaka edges in front, Angelique Kerber finds a brilliant return of serve, or a whippy forehand, to drag herself back into contention.#
We're at deuce, before Osaka clatters a huge first serve down and Kerber misses a forehand down the line for what feels like the first time.
Zverev 6-6 Gulbis*
You'd have to say Alexander Zverev, the fourth seed, looks a lot more confident. Ernests Gulbis has barely won a point on the 21-year-old's serve.
But Gulbis keeps edging through his own service games, and the Latvian takes it to a tie-break.
Image source, EPAKerber 6-2 3-1 Osaka*
Annabel Croft
Former British number one at Wimbledon
I'm not sure Kerber could be playing a better match out here today. Everything she has touched has turned to gold.
Kerber 6-2 3-1 Osaka*
Sir Bobby Charlton has reappeared in the Royal Box, just in time to see Angelique Kerber whizz through yet another service hold.
Wimbledon 2018: Rafael Nadal beats Alex de Minaur in straight sets
Kerber 6-2 2-0 Osaka*
Angelique Kerber holds to 15.
If this match keeps motoring along, then Kyle Edmund is going to miss the last 20 minutes of the England match...
Image source, AFPZverev 5-4 Gulbis*
Wowza. 135mph off the heart of Alexander Zverev's racquet as he roughs up Ernests Gulbis like a Test bowler. No sign of anyone making a breakthrough in this one yet...
Zverev cards another love hold.
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*Kerber 6-2 1-0 Osaka
And much it like it was in the opening set, Angelique Kerber gets herself an early break.
She racks up three break points, with Naomi Osaka left frustrated as she misses two easy strikes, and another fluffed backhand hands Kerber the break.
Kerber break point in second set
Zverev 4-3 Gulbis*
Three double faults in the opening three service games for Ernests Gulbis, but he gets away with it to tick off another hold.
Alexander Zverev, with at least two chains, possibly three around his neck, comes through unscathed to hold himself and then go for a well-earned sit down, icy towel and isotonic drink.
Think the news England have just gone 2-0 has filtered through to the Court One crowd, a few "get ins..."
Kerber 6-2 Osaka
Lovely stuff from Angelique Kerber.
Some big, angled forehands put the German in front, and she holds as another unforced error comes flying off Naomi Osaka's racquet.
Kerber takes first set
*Kerber 5-2 Osaka
Better from Naomi Osaka.
She holds to love, closing out her service game with a swinging ace, to force Angelique Kerber to serve out this opening set.
It's very quiet inside Centre Court...
Image source, ReutersKerber 5-1 Osaka*
An irked Naomi Osaka gets to 0-30 on the Kerber serve, but a couple of overworked returns allows Kerber to get her nose in front.
Osaka drags Kerber out wide, setting herself up nicely for the winner down the line - and she misses. Kerber is a game away from taking the first set.