BWF Badminton World Championships 2022, as it happened: Day 5 - Yamaguchi Akane edges Carolina Marin for semi-final berth, Viktor Axelsen exudes class

The 27th BWF World Championships in badminton in Tokyo, Japan is reaching the business end, with the five events of men's singles, women's singles, men's doubles, women's doubles, and mixed doubles all reached the quarter-final stage on Friday (26 August 2022).

Among those in action on the fifth day of the Championships at the Tokyo Metropolitan Gymnasium were Viktor Axelsen, Carolina Marin and defending champions Loh Kean Yew and Yamaguchi Akane.

Olympics.com had live updates throughout the day from the Japanese capital, which you can follow below.

Don't forget to bookmark this page and keep checking back as we bring you the latest developments from the key matches.

And make sure you're back with us on Saturday for an exciting line-up of semi-finals.

All times below are Japan Standard Time (UTC/GMT +9 hours). Most recent updates at the top; please refresh for latest.

21:47 - In closing

Wrapping up the day is Wang Yi Lyu/Huang D P who had the last laugh with a 21-15, 21-16 victory over Seo Seungjae/Chae Yulung.

21:27 - Marin not down despite defeat

Speaking to Olympics.com, "It was a tough one, to lose in a quarter-final. But I am on the way to get back to the top level.

"I don’t want to be too tough on myself just because I lost this quarter-final. I want to look forward and be ready for the Japan Open. We will analyse this game to keep learning".

19:59 - ...and the match

Yamaguchi wins the second set by the same score, going through to the semi-finals where she will face third-seeded An Se Young.

An beat Han Yue in a nail-biter of her own, coming out ahead in three games - the last 22-20.

19:25 - Yamaguchi takes first game

The Japanese world No. 1 wins 21-17 but not a whole lot separating the two tonight. Yamaguchi pulled away with six successive points from 13-12.

19:05 - Match of the day

It has begun.

The women's defending champion Yamaguchi Akane is playing three-time world champion and Rio 2016 gold medallist Carolina Marin.

17:55 - Chen Yu Fei edges Michelle Li

The Chinese fourth seed rolled over her Canadian opponent 21-18, 21-17.

Chen moved to 6-1 for her career against Li, and will play Tai Tzu Ying in the semi-finals. Tai defeated Busanan Ongbamrungphan 21-16, 21-9.

17:31 - Axelsen: "Super stoked about my game"

Axelsen to Olympics.com following his quarter-final victory over sixth seed Ginting, in which the Dane scored 12 successive points in the second game, "To be honest I’m super stoked about my game today, really happy. I played really well, controlled the conditions really well, moved well.

"It was a good match for me - one of my better ones. It’s pretty cool to do that in a quarter-final of the world champs. Pretty happy about it.

"Today was a good chance for me to step up, both playing wise and mentally and everything in between, and I did so and I’m very happy about it.

"I’m not thinking too far ahead right now. I’m thinking about the stretches I’m going to after this. That’s how far I’m thinking".

17:07 -Viktor Axelsen dominates

The world No. 1 strong against Anthony Ginting, winning 21-10, 21-10.

16:38 - Loh: "I have no regrets"

"Definitely I gave it everything I had inside and he was the winner. It was a great game, he played really good. I have no regrets.

"I think overall, I did quite good. Basically I was satisfied with my performance but definitely there's still a lot to improve on. Hopefully things will get better.

"There's a lot going on inside my head right now so I'll get back to you".

16:15 - Loh Kean Yew goes out

The defending men's champion loses to **Kunlavut Vitidsarn **21-12, 17-21, 21-8.

16:04 - Chou Tien Chen

The 32-year-old veteran from Chinese Taipei reaches the last four for the first time in his career with a 14-21, 21-11, 22-20 win vs Jonatan Christie.

15:03 - Zhao on reaching first semi-final 

"I’m really happy because I did better than last year. I was confident. Although I lost the first set, I was prepared because I know the wind flow and I did a lot better in the second and third games.

"I feel pretty good physically and mentally".

14:53 - Zhao Jun Peng wins again

In a meeting of the giant-killers here, the Chinese edged Prannoy H.S. 19-21, 21-6, 21-18.

Zhao will get either defending champion Loh Kean Yew or Kunlavut Vitidsarn in his semi-final.

13:41 - Hoki/Kobayashi react to defeat

Hoki: "We got off to a bad start but fought back. Had we actually won the first game I think it would've been a different story but the fact that we didn't speaks volumes.

"You can't turn back the clock. The world championships are huge but at the end of the day, it's just one tournament in a long career. We have to turn our sights now to the Japan Open where we'll aim for the top."

Kobayashi: "We were taking it one match at a time. But be it the mental aspect or the quality of our overall performance, we couldn't quite take it to the level we should have.

"It's frustrating. It was difficult".

13:34 - Hoki Takuro/Kobayashi Yugo are out!

The defending men's doubles champion have been eliminated by India's Satwiksairaj Rankireddy and Chirag Shetty after going the distance, 24-22, 15-21, 21-14.

12:56 - Chen/Jia: "We treat every match as the final"

Jia: "We are very happy to advance into the semi-final. We’ve done a lot of effort and preparation for this world championship.

"In the meantime there are also big expectations from our nation as well as from our fans and specatators. That said, we are giving our best on every single game we played here and to show our determination on the court.

"I mean we certainly want to win the medal here but who doesn't? So we will just be the best of ourselves."

Chen: "We treat every match as the final. But we can't do much if we didn't win (laugh). It's just me hoping for a good result."

12:13 - Chen Qing Chen/Jia Yi Fan safely through to semis

The defending champions and world No. 1 in women's doubles have secured at least bronze after beating the Thai pair of Jongkolphan Kititharakul and Rawinda Prajongjai 21-16, 21-7.

For a place in the final, Chen and Jia will face local favourites Matsumoto Mayu and Nagahara Wakana who progressed with a three-game victory over third-seeded Lee So Hee and Shin Seung Chan.

The Naga-Matsu duo have now medalled in four consecutive world championships, including two golds.

11:33 - Belated good morning

Day 5 is already under way here at the Tokyo Metropolitan Gymnasium where we are on just two courts now.