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Top seed and defending champion Jannik Sinner continues his quest for a fifth Grand Slam when he faces Japan's unseeded Shintaro Mochizuki on Centre Court shortly.

After overcoming a scare against Miomir Kecmanovic in the first round, Sinner has showed glimpses of his imperious best with two straight sets wins to reach the last-16.

Mochozuki is into the fourth round at a Grand Slam for the first time after beating 23rd seed Rafael Jodar in an impressive third-round performance.

The match marks the first ever meeting between the pair.

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Four-time Grand Slam winner Naomi Osaka, speaking on Centre Court after knocking out top seed Aryna Sabalenka: "It was a really fun match. I'm really grateful. Even if I lost, I would still think it was a great match. For me, this court is so special and this is the first match I've won on it so it means a lot. Thank you guys so much, I really appreciated the atmosphere. My mum is over there, she cooks a lot and I feel like her cooking is powering me so I would really appreciate another meal tonight! She cooks a bunch of Japanese food, so shout out Japanese food. It has been a long time since I've had so much fun on the court, so to do it here means a lot. Going into this match, I had lost to Aryna [Sabalenka] three times in a row. I wanted to turn it over and I'm really glad I had the opportunity to do that."

On the reason behind her looking much more comfortable on the grass: "The big Polish man! Shout out Tomasz [Wiktorowski]! Also a shout out to the rest of my team, they are the best team ever. I have so much fun with them and I learn so much from them, I'm so grateful they are on this journey with me."

Naomi Osaka is the first player to defeat Aryna Sabalenka in straight sets at a Grand Slam since Victoria Azarenka at the US Open in 2020.

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Naomi Osaka is speaking on court now, we'll bring you her full interview very soon.

She has paid thanks to her mum for keeping her fuelled with Japanese food and also thanked her coach Tomasz Wiktorowski for getting her playing at such a high level once again.

Wiktorowski has a history of helping players to win Grand Slam titles - he worked with Iga Swiatek when she lifted four of them between 2022 and 2025.

Czech 10th seed Karolina Muchova is next up for Osaka in the quarter-finals.

You've got to feel a bit for Alejandro Davidovich Fokina.

He's had a total of six break points in this match and not been able to convert any of them.

On serve he's just played a point that's lit up Court One, diving one-handed like a goalkeeper at the net to win the point, before securing the hold.

Tracy Austin
Two-time Grand Slam champion on BBC One

The women's draw is wide open. There is so much depth in the draw now.

That was such a well-deserved result for Naomi Osaka. It wasn't that Aryna Sabalenka played poorly, she tried to slice and she tried the serve and volley a little. Osaka was just able to stay in that high level from the first set throughout the second set as well. She maybe even got better.

That was such great intent and control. She kept the unforced errors down and hit 21 winners. This coach has really done a phenomenal job of rounding out her game and convincing her that her game works out well on grass.

Sam Smith
Former British number one on BBC One

Awesome Osaka!

An unbelievable performance from the four-time major champion. What a way to book your place in a first Wimbledon quarter-final.

Another big name in the women's draw falls. The top seed, I'm afraid, is out.

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Naomi Osaka is playing at such a high level at the moment.

She is through to the quarter-finals of Wimbledon for the first time in her career and has achieved that feat at the expense of the top seed... in straight sets!

Can anyone stop Osaka?

Naomi Osaka has looked so cool and composed from the first point of this match and there's no switch up here.

Osaka gets another double hold and is within touching distance of the quarter-finals.

Osaka has five match points.

Tracy Austin
Two-time Grand Slam champion on BBC One

Aryna Sabalenka has lost both of her service points there.

With the way Naomi Osaka has been serving, this is an uphill battle for her now!

Not too long ago I thought this one was heading to a five-setter but Felix Auger-Aliassime has other ideas.

After breaking for the first time in the match in the third set, the Canadian third seed as now broken at the start of the fourth.

To say he's yet to drop serve in the entire tournament it could be a long way back for Alejandro Davidovich Fokina from here.

Here we go.

Naomi Osaka gets the first mini-break.

Aryna Sabalenka gets too much on a forehand and it goes wide.

Osaka takes control.

A perfect response from Naomi Osaka.

Osaka is showing no signs of feeling the pressure when she crashes over an ace for her second hold.

Sam Smith
Former British number one on BBC One

We wonder if Naomi Osaka could keep up the level she showed in the first set, I think we have our answer.

This will be fascinating because Aryna Sabalenka has a phenomenal tie-break record. She has one 21 Grand Slam tie-breaks in a row, including one in the second round against McCartney Kessler.

Aryna Sabalenka on the board.