At two sets to one down, the prospect of Nadal and Federer exiting a grand-slam tournament on the same day for the first time was becoming real.
Del Potro trails Nadal 10-5 in head-to-head meetings - his five wins all coming on hard courts.
He eventually he clinched a 7-5 6-7 (7-9) 4-6 6-4 6-4 victory after four hours and 47 minutes.
When he finally prevailed after four hours and 48 minutes, Nadal - and del Potro - received a rousing standing ovation from the packed crowd including another living legend left-hander Rod Laver in the Royal Box. Nadal won their previous encounter at the 2018 Rome Masters, winning 7-6, 6-3. "In some ways he deserves to win as well", said Nadal after the breath-taking quarter-final. He is one of the more complex players that I have ever seen in our sport, it is always a big test. "You know that you can't win against him if you don't play very well".
All four semi-finalists are aged 30 or over - the first time in the Open era that the men's singles semis at a Grand Slam have been contested exclusively by players over 30.
Starbucks Sippy Cups Will Replace Plastic Straws by 2020
Past year in Santa Cruz, Calif., Starbucks started testing out straws made from materials other than traditional plastic. Of course, Starbucks isn't alone in its quest to clean up its reputation by cleaning up the environment .
In an odd-numbered year, the exit of Roger Federer in a five-set thriller, followed immediately by the triumph of Rafa Nadal in a five-set thriller on Centre Court, would have dominated the sports pages, but unfortunately for tennis fans, England had to go and get to and get beat to Croatia.
Nadal was knocked out in the fourth round, losing 13-11 in the final set to Luxembourg journeyman Gilles Muller. The Spaniard also lost the third set, before rallying in the final two sets to take the match. Sometimes you play your best tennis and it's not enough to beat him.
Rafael Nadal has a bit of that on his side, with the world No.1 the sole player from the top seven in the men's rankings to reach the semi-finals.
On Wednesday, we saw Nadal's confidence, and even his intensity, briefly wane when Juan Martin del Potro forced his way into their quarterfinal late in the second set.
Rafa Nadal now meets another old foe, Novak Djokovic, in the semi-final tomorrow.
France’s route to the World Cup final
Nicholas, Father Marko Stefanec said the church will hold another viewing party for the World Cup final against France on Sunday. He hopes England will be more suited to their style of play, but added that recovering from two extended games will be hard .
That's the analysis of three-time Wimbledon champion John McEnroe.
Anderson is the first South African to make the last-four since Kevin Curren in 1983.
Nadal advances to his first Wimbledon semifinal since 2011.
The two have played some memorable matches over the years.
Their clash, however, may not be easy on the eye. Raonic hit 31 aces to Isner's 25 but was broken three times, including the last game of the match.
Second Phase Of Thailand Rescue Pulls 4 More Boys From Cave
The team still faces a "war against water" and a short window to rescue the youngsters, as monsoon rain has continued to fall. Handwritten notes, brought back before anybody was rescued, included requests for fried chicken and BBQ pork.