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Live Reporting

By Jonathan Jurejko

All times stated are UK

  1. Goodbye!

    While Matt heads to the bare knuckle boxing, I'm going to call it an early night.

    Thanks for your company over the course of the two semi-finals, why don't we reconvene tomorrow for one last hurrah?

    Same place, different time (about 18:00 GMT) and two of today's protagonists - Stefanos Tsitsipas and Dominic Thiem - providing the entertainment.

    Sithee then!

  2. Post update

    Matthew Henry

    BBC Sport at the O2 Arena

    For anyone who hasn’t been to the O2 - it’s massive.

    There’s the main arena plus all of the shops, bars and restaurants you could ever wish for.

    On site there’s also the smaller venue, ‘Indigo at the O2’. There’s bare knuckle boxing on there tonight.

    Quite the contrast.

    O2
  3. Berdych confirms retirement

    ...former world number four and 2010 Wimbledon finalist Tomas Berdych has retired.

    The 34-year-old Czech all but revealed the news on Wednesday - after his dad Martin blabbed to a newspaper. Berdych was planning to make a surprise announcement in London today.

    Berdych, who won 13 ATP singles titles and was a fixture in the world's top 10 between 2010 and 2016, has not played since losing in the first round of the US Open in August.

    Fellow Czech player Petra Kvitova dug deep into her photo gallery to pay tribute...

    View more on twitter
  4. Post update

    Before we disappear for the night and get some rest for tomorrow's final (yes, it's not just the players who need to recharge...), there another bit of news confirmed at the O2 earlier...

  5. Post update

    Thiem 7-5 6-3 Zverev

    Dominic Thiem on what to expect in tomorrow's final against Stefanos Tsitsipas: "One handed back-handed finals, I guess!

    "We are both offensive players, he is very attractive to watch, I love to watch him and I am looking forward to playing him again. And I'm happy to be playing again here tomorrow in front of this amazing atmosphere.

    On the illness which hampered during his previous match against Matteo Berrettini: "I'm feeling much better, luckily. I had some days off, of course I played match against Matteo which wasn't great for my body but I could handle it. I feel much better and I hope it will be better tomorrow.

    "I will give everything because it is the final and the last match before holidays."

  6. Post update

    Thiem 7-5 6-3 Zverev

    Dominic Thiem on the key to beating Zverev: "Sascha was serving 140/145mph most of the time so in the first set break I hit some good returns and in the second set he had some second serves so I used that chance.

    "It was key because you don't get many chances to break him."

  7. Post update

    Thiem 7-5 6-3 Zverev

    Thiem, most natural on clay courts and a two-time French Open runner-up, has made no secret that hard courts are not his favoured surface, despite winning the prestigious Indian Wells title earlier this year.

    But after winning at Vienna last week and now reaching the final at the O2 that might be changing...

    "After the tournament in Vienna and now here I'm becoming a big big fan of faster hard surfaces!" he laughs.

  8. Post update

    Thiem 7-5 6-3 Zverev

    More from Dominic Thiem after beating Sascha Zverev to reach the final of the ATP Finals: "It is unreal to me and to beat the defending champion, a very good friend and unbelievable player - it is an unbelievable achievement. I'm very very happy."

  9. Post update

    Thiem 7-5 6-3 Zverev

    And here he is...

    Still sounds a bit hoarse does Dominic. Anyway, here's what he says:

    "This is a big, big dream coming true for me, it is one of the biggest and most prestigious tournaments of the whole year and I'm getting the chance to play the final."

  10. Post update

    Thiem 7-5 6-3 Zverev

    Thiem blows a kiss to the London, crowd, mouths 'thank you' and then sticks on an expensive watch at the request of his sponsor before heading back on court to speak to Annabel Croft...

  11. Game, set and match Thiem

    Thiem 7-5 6-3 Zverev

    Game over. Thiem wraps up victory at the first attempt with a forehand winner down the line.

    Zverev's title defence is over, Thiem is into his first ATP Finals final. Stefanos Tsitsipas awaits.

    Cue Bowie...

  12. Post update

    *Thiem 7-5 5-3 Zverev

    Perfect start from Zverev as he pumps a backhand winner down the line, before Thiem levels at 15-15 with some gutsy attacking from which Zverev cannot recover.

    Thiem throws down two bouncing bombs for back to back aces and suddenly he has got two match points...

  13. Post update

    *Thiem 7-5 5-3 Zverev

    Zverev won't be dreaming of Thiem tonight. He's got a miserable record against his pal and that looks sets to continue.

    Zverev, as he has for much of the match apart from the key junctures, is heading to a comfortable hold at 40-15 before Thiem pushes back with some laser-like hitting down the line.

    The German seventh seed thumps down a hefty first serve to hold. And now he needs to convert his first break point of the match. Otherwise it is auf wiedersehen, pet.

  14. Post update

    Matthew Henry

    BBC Sport at the O2 Arena

    We've got The Coral's Dreaming of You now. This DJ is on it like a Stefanos Tsitsipas backhand.

  15. Post update

    Thiem 7-5 5-2 Zverev*

    And that means Zverev is serving to stay in the match...

  16. Post update

    Thiem 7-5 5-2 Zverev*

    Thiem drags himself off the hook. Zverev's forehand clips the net but it does not deter Thiem, who nails a winner by landing it right on the paint.

    That spurs the Austrian on to a very, very important hold.

    Thiem
  17. Post update

    *Thiem 7-5 4-2 Zverev

    Hang on... Zverev only goes and recovers to create a break point. The German establishes himself in the rally... has he got the guts to stomach the fight? No! An unforced error as he goes long. Back to deuce.

    Then it is time for Thiem to miss another forehand he would expect to miss - not for the first time in this game - and it is another break point for Zverev...

  18. Post update

    *Thiem 7-5 4-2 Zverev

    Zverev's shoulders slump again. A set and a break down looks a looong way back.

    Alexander Zverev
  19. Post update

    Laura Robson

    Former British number one on BBC Radio 5 Live Sports Extra

    We talk about how uncomfortable Alexander Zverev is at the net and we saw how that pays off in that game - two terrible mistakes.