Postpublished at 20:42 British Summer Time 11 July 2018
Nadal 7-5 6-7 (7-9) 4-6 6-4 5-3 Del Potro*
Andy Murray
Two-time Wimbledon champion on BBC TV
This has been one of the best sets of tennis I have ever seen live. Incredible
Men's singles quarter-finals action
Rafael Nadal beats Juan Martin del Potro to reach semi-finals
Spaniard wins 7-5 6-7 (7-9) 4-6 6-4 6-4 after nearly five hours
Faces Novak Djokovic after Serb beats Kei Nishikori 6-3 3-6 6-2 6-2
Kevin Anderson beats eight-time champion Roger Federer
Saves match point in third set to win 2-6 6-7 (5-7) 7-5 6-4 13-11
South African eighth seed will face John Isner in last four on Friday
American Isner beats Milos Raonic 6-7 (5-7) 7-6 (9-7) 6-4 6-3
Alex Bysouth and Matthew Henry
Nadal 7-5 6-7 (7-9) 4-6 6-4 5-3 Del Potro*
Andy Murray
Two-time Wimbledon champion on BBC TV
This has been one of the best sets of tennis I have ever seen live. Incredible
Nadal 7-5 6-7 (7-9) 4-6 6-4 5-3 Del Potro*
Rafa has done it. A classic lasso forehand gets his box and the rest of Centre Court on his feet. The neutrals applaud both players.
Nadal is a game away.
#bbctennis or text 81111
Katherine: Unbelievably good tennis
Emma: THIS MATCH IS SO GOOD!!!!! (Obviously talking about Del Potro and Nadal not the football)
David: Sensational levels from Rafael Nadal
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
He just won't give in. Juan Martin del Potro hammers away on the forehand. We're into the 12th minute of this game.
Deuce again on the Nadal serve.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
I'm not sure how much more of this I can take.
Deuce again.
Del Potro needs to take one of these chances.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Here's a third chance for Juan Martin del Potro. Are nerves getting to Nadal?
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Incredible. Nadal fights off another break point.
Del Potro is bent double.
Deuce again.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Andy Murray
Two-time Wimbledon champion on BBC TV
Rafa is feeling the pressure. He has played a lot of drop shots in the last few games which is very unlike him.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Del Potro dives again at the net but this time to no avail.
Deuce.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Andy Murray
Two-time Wimbledon champion on BBC TV
Are all the match like this when you are commentating?
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
But Juan Martin del Potro will not go away. He roars in delight. He's got a break point.
I haven't heard Centre as loud as this for years!
#bbctennis or text 81111
Andi: Nadal is next level right now!
Sha: The quality of tennis these guys are playing is like watching the final right now.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Oh he's only gone and made it!
Rafa with the winner down the line.
DelPo smiles. He knows he's up against a legend here.
Advantage Nadal.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
"I've got a feeling Del Potro is going to get another chance says Andy Murray on comms. He's been in a few of these five-setters the Argentine.
Here it is. Deuce.
Rafa's missus shots encouragement from his box.
Raonic 7-6 (7-5) 6-7 (7-9) 4-6 3-6 Isner
John Isner books his place in the last four with a four-set win over 13th seed Milos Raonic.
The American ninth seed will face Kevin Anderson on Friday - who'd have thought that at the start of the fortnight?
It will be his first appearance in a Grand Slam semi-final.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Andy Murray
Two-time Wimbledon champion on BBC TV
When you see the finish line, when you are so close to the end you get a second wind.
The level in this fifth set had been brilliant. Best I've seen in the tournament so far.
*Nadal 7-5 6-7 (7-9) 4-6 6-4 4-3 Del Potro
Del Potro waves to the crowd for more noise. He's still in this. He holds serve from 0-30 behind.
Both players take a well-earned seat.
Nadal 7-5 6-7 (7-9) 4-6 6-4 4-2 Del Potro*
Del Potro won't go away. The forehand gets him back to 30-30.
Here's that moment the lady in the front row ended up with a 17-time Grand Slam champion on her lap...
Nadal 7-5 6-7 (7-9) 4-6 6-4 4-2 Del Potro*
And now the Spaniard is flying. Two crunching winners. Is this the final blow? 0-30.