Jannik Sinner takes the opening set in 21 minutes! The top seed benefits from a Miomir Kecmanovic loosener which catches the net.

Wow. Proper blink and you'll miss it stuff.

Forehand winner Jannik Sinner. 40-15 and set point.

Jannik Sinner's second serve is pure quality. It's almost tougher for Miomir Kecmanovic who returns one into the net. 30-15.

Image source, Reuters

The crowd are right behind Miomir Kecmanovic and are on their feet as he finally holds to love.

Kecmanovic gives a wry smile and salutes his racquet to the crowd.

Much better from Miomir Kecmanovic. He forces two errors from Jannik Sinner. 30-0.

Image source, Reuters

Jannik Sinner is simply too good for Miomir Kecmanovic. The Italian holds to love with a couple of forehand winners.

Kecmanovic will serve to stay in the first set and avoid an embarrassing bagel.

John McEnroe
Three-time Wimbledon singles champion on BBC TV

This poor guy. It's happening too fast for Miomir Kecmanovic at the moment. Jannik Sinner is bringing his A-game.

He's got it. Top seed Jannik Sinner gets a second break after Miomir Kecmanovic smashes one into the net.

This set is only 13 minutes old and it's pretty much done.

Image source, Reuters

The door opens again. Jannik Sinner collects the next two points to set up another break chance.

John McEnroe
Three-time Wimbledon singles champion on BBC TV

Miomir Kecmanovic is not a guy who is comfortable at the net so he's going to have to make those approach shots count.

Much more like it from Serb Miomir Kecmanovic who goes up 30-0 on serve.

Jannik Sinner responds though with a fab passing attempt which stumps Kecmanovic and has the 24-year-old backhanding into the net.

Nick Mullins
BBC Sport commentator at Wimbledon

It's been thoroughly straightforward for the top seed so far.

Italian Jannik Sinner is in the mood tonight. He holds to love to take a three-nil lead in the opener.

We've only been playing for eight minutes!

Amy: That's enough tennis for me today my head is banging, I'll read updates on Sinner/Kecmanovic

Glad to have you with us Amy!

That didn't take long! Jannik Sinner powers a backhand winner down the line to break.

Right away Jannik Sinner has a chance to break after Miomir Kecmanovic slices one the net. 30-40.

Chanice: I knew Emma was going to beat Maria, but didn't expect her to do it that convincingly! Emma back to top 10 form! hasn't dropped a set yet, just like the us open

James: Excellent performance by Emma. Very impressive.

Malik: Emma Raducanu is on fire! She smashed her way into the Wimbledon 4th round, leaving fans and critics alike stunned. This is her first time back in the big leagues since 2021, and boy, does it show!

Fine start for Italian top seed Jannik Sinner who holds to 15 by slapping a forehand winner deep into the top left corner on Centre Court.

Just joining us? Here's the moment Emma Raducanu got the better of ninth seed Maria Sakkari:

Srosh Khan
BBC Sport at Wimbledon

Raducanu looked great out on Centre Court. Assured, confident and fit.

Elsewhere, it's pretty grim and I'm having to avoid hitting into people with brollies.

Hopefully, that win will cheer everyone up!

Image source, BBC Sport