Novak Djokovic leads Hubert Hurkacz 7-6 (8-6) 7-6 (8-6) when play is suspended on Centre Court just after 22:35 BST
Women's top seed Iga Swiatek saves two match points in win over Belinda Bencic
Elina Svitolina beats Victoria Azarenka in deciding set tie-break - Azarenka booed off Court One
Andrey Rublev and Jannik Sinner book places in men's quarter-finals
Jessica Pegula reaches women's quarter-finals, while 16-year-old Mirra Andreeva moves through to fourth round
Jamie Murray wins in men's and mixed doubles matches
*Rublev 7-5 6-3 6-7 (6-8) 6-6 (4-2) Bublik
This tiebreak was going with serve and both players were seemingly playing without nerves like we were in the middle of a second set.
Then, Alexander Bublik double faults for the first time in a while!
The 23rd seed hands Rublev the advantage in this fourth set tiebreak.
Rublev 7-5 6-3 6-7 (6-8) 6-6 Bublik
Michael Emons
BBC Sport at Wimbledon
Image source, PA MediaAlexander Bublik is living dangerously. He was two points away from losing the third set tie-break, which would have been the match, and has now saved two match points in the fourth set.
The drama on Centre Court, now bathed in glorious sunshine, isn't over yet. Bublik saves the first match point by finding the baseline, before Rublev fired a forehand long on his second chance.
We continue and, for the second set in a row, the set will be decided via a tie-break.
*Rublev 7-5 6-3 6-7 (6-8) 6-6 Bublik
Serving once again to stay in the match, Alexander Bublik handles himself much better and Andrey Rublev is unable to create more match points.
A love hold sees us into a fourth set tie-break on Centre Court.
Rublev 7-5 6-3 6-7 (6-8) 6-5 Bublik*
Despite the match points slipping away, Andrey Rublev doesn't let his disappointment show on his service game.
It's quick hold which immediately puts the pressure back on Alexander Bublik.
*Rublev 7-5 6-3 6-7 (6-8) 5-5 Bublik
John McEnroe
Three-time Wimbledon singles champion on BBC TV
That is an amazing way to get yourself out of trouble. That might have been the hardest second serve hit at match point down.
*Rublev 7-5 6-3 6-7 (6-8) 5-5 Bublik
Clutch serving from Alexander Bublik.
At 15-40 down on Centre Court, about to exit Wimbledon 2023, Bublik rolls that shoulder nicely to produce some fine serves.
The 23rd seed gets to deuce with a forehand winner then produces two aces to win the game.
Sinner 7-6 (7-4) 1-2 Galan*
It's a great start from Daniel Elahi Galan after losing a tight set, responding immediately with a free-hitting break of serve.
Sinner's feet slide away in the next game as if he was back on his skis on the dusty areas of the court but the Italian is making some sloppy errors as he struggles through the longest game so far in the match.
The Italian continues to get worked up by another line call that he feels has gone against him. Coach Darren Cahill tries to get him to refocus. He responds by smacking down a serve to love.
Image source, PA MediaRublev 7-5 6-3 6-7 (6-8) 5-4 Bublik*
From bad to worse for Alexander Bublik.
The pressure seems to be telling and Rublev now has two match points.
Rublev 7-5 6-3 6-7 (6-8) 5-4 Bublik*
Alexander Bublik hits a shot wide and we're at 15-30.
Danger for the 23rd seed.
Rublev 7-5 6-3 6-7 (6-8) 5-4 Bublik*
Andrey Rublev has maintained his high level despite losing that tight third set tiebreak.
The seventh seed has put the pressure on Alexander Bublik to serve to stay in the fourth round.
Jess Anderson
BBC Sport at Wimbledon
The grounds seem to be quite a lot quieter today. You can actually move around the smaller courts, which has been almost impossible all week.
Those courts are taken up with various doubles contests, as well as boys and girls singles matches.
Weather update - it has gone a little gloomy over SW19 but no signs of rain just yet.
Image source, BBC Sport*Rublev 7-5 6-3 6-7 (6-8) 4-4 Bublik
Alexander Bublik was making mistakes and double faulting on his service games in the early part of this match. These seem to have dried up.
Another comfortable hold for the Kazakh who is playing a lot better now.
*Rublev 7-5 6-3 6-6 (6-8) 4-3 Bublik
John McEnroe
Three-time Wimbledon singles champion on BBC TV
Rublev has done an admirable job of keeping his composure out there. It is not easy to do against Bublik, who has found another gear. You have to hang tough here.
*Rublev 7-5 6-3 6-7 (6-8) 4-3 Bublik
Image source, PA MediaThe tennis hasn't exactly been out of this world but that hasn't stopped physicist Brian Cox from having a good time in the royal box on Centre Court.
He would have just watched Andrey Rublev hold once more to inch ahead again in the fourth set.
Safiullin 3-6 6-3 6-1 Shapovalov
Denis Shapovalov has work to do if he's going to reach the quarter-finals of the men's singles for the second time in his career.
He's been hammered 6-1 in the third set by Roman Safiullin and the Russian now has a 2-1 lead on court two.
Image source, Reuters*Rublev 7-5 6-3 6-7 (6-8) 3-3 Bublik
Another stress-free hold in this match. Alexander Bublik keeps up with Andrey Rublev and we're level again.
Rublev 7-5 6-3 6-7 (6-8) 3-2 Bublik*
Andrey Rublev sees Alexander Bublik's hold to love and matches it.
No flashpoints to speak of and the scoreboard ticks along in this fourth set.
Image source, Getty Images*Rublev 7-5 6-3 6-7 (6-8) 2-2 Bublik
The sun shines on Centre Court as we see shadows of the players cast on the grass for the first time in this match.
Things are certainly looking brighter for Alexander Bublik.
Andrey Rublev dumps a forehand into the net from just a few metres away from it and Bublik holds to love.
*Murray/Townsend 4-3 Zielinski/Melichar-Martinez
Jess Anderson
BBC Sport at Wimbledon
Jamie Murray is a busy bee today as he’s back on court again after his win in the men’s doubles alongside Michael Venus.
This time it’s the mixed doubles and he’s with American partner Taylor Townsend.
They’re up against Jan Zielinski of Poland and American Nicole Melichar-Martinez.
Murray and Townsend have broken for a 4-3 lead in the first set.
Image source, BBC SportRublev 7-5 6-3 6-7 (6-8) 2-1 Bublik*
Alexander Bublik looks a bit more up for this now and it feels like we have a competitive match on Centre Court.
Andrey Rublev has to win the game from 30-30 and stays ahead in this fourth set.