The 34-year-old practised for an hour on Thursday evening at the Rod Laver Arena and his fitness was improving "little by little, step by step", sources close to Nadal told Reuters.
Croatian Marin Cilic prepares to try to stop the Swiss claiming a sixth Australian Open title on Sunday.
Edmund, playing in his first Grand Glam quarter-final, showed no nerves as he blazed away with his fearsome forehand to subdue a nervy Dimitrov.
Nick Kyrgios's Australian Open ended with a gallant fourth round defeat by an inspired Grigor Dimitrov on Sunday but the maverick talent leaves Melbourne Park after winning over a nation.
Sealing the match with a thumping serve, the 2014 US Open champion will bid for his second grand slam title against Friday's winner of Roger Federer and South Korea's rising star Chung Hyeon.
Images from the action on Day 2 at the Australian Open.
Nick Kyrgios toppled his childhood idol Jo-Wilfried Tsonga to bury his Rod Laver Arena hoodoo and reach the fourth round of his home Australian Open on Friday.
Novak Djokovic will need to spend some time on the sidelines recovering from a muscle tear that hindered him in the later rounds of the Australian Open, the Serbian said as he celebrated his ninth Melbourne Park title on Monday.
Brady saw four match points slip through her fingers as she served it out nervously but finally celebrated the win when Muchova fired a forehand long.
Stefanos Tsitsipas credited his stellar comeback win against Rafa Nadal in Wednesday's Australian Open quarter-final to his peace of mind, saying he had attained a state of "nirvana" during the match despite falling back by two sets.
Tsitsipas will play 22nd-seeded Spaniard Roberto Bautista Agut for a place in the semi-finals.
IMAGES from Day 10 of the Australian Open in Melbourne on Tuesday.
Images from Day 7 of the 2024 Australian Open in Melbourne on Saturday.
Maria Sharapova joined Serena Williams in making an early exit from the Australian Open on Monday but defending champion Victoria Azarenka swept into the quarter-finals with an 18th straight victory at Melbourne Park.
World No 1 Rafael Nadal thinks Melbourne Park's resurfaced hardcourts are playing faster than ever and may not provide a good show for fans when the Australian Open begins on Monday.
Images from Day 4 of the Australian Open in Melbourne on Thursday.
Djokovic sets sights on Paris Olympics
IMAGES from the Australian Open matches played on Thursday
American Rajeev Ram picked up his first tennis men's doubles title at a Grand Slam on Sunday with partner Joe Salisbury of Britain, taming the local wild card pairing of Max Purcell and Luke Saville in straight sets at the Australian Open
Roger Federer and Rafael Nadal take to Rod Laver Arena to reprise one of the great sporting rivalries of the modern age on Sunday, a fitting climax to an Australian Open which has sent tennis back to the future.
Serena Williams beat her sister Venus 6-4, 6-4 in the Australian Open final on Saturday to win her 23rd grand slam singles title and become the most successful tennis player in the open era.
Organisers have been criticised by players attempting to make the main draw of the season opening Grand Slam for continuing to play matches despite the poor air quality from bushfires.
Roger Federer and Maria Sharapova glittered under the Rod Laver Arena lights on Monday, restoring order at the Australian Open after eight women's seeds crashed out in the afternoon sun on a manic opening day. The evergreen Federer strolled into the second round with a classy 6-4, 6-2, 7-5 win over Taiwan's Lu Yen-Hsun before fellow-second seed Sharapova ruined Croatian qualifier Petra Martic's 24th birthday with a 6-4, 6-1 victory.
World number one Novak Djokovic, bidding for a record-equalling sixth title at the event, is in the Tokyo group with Russian Daniil Medvedev, Germany's Alexander Zverev and Argentine first-time Diego Schwartzman.
Roger Federer and Rafael Nadal took care of business in their singles matches before teaming up in an eagerly anticipated doubles pairing to extend Europe's lead over players from the rest of the world in the inaugural Laver Cup on Saturday.
So it is over. Two weeks of intriguing tennis where the world's best competed for the year's first Grand Slam. While the match-fixing report cast a shadow over the start of the Australian Open, the tournament gained momentum as it progressed. Rediff.com encapsulates the best moments from the Rod Laver Arena.
Images from Day 4 of the Australian Open in Melbourne on Thursday
The winners of the Serbia-Germany tie will join Spain, Russia and Italy in the semi-finals.
The battle to stay at the top of men's tennis is like a fight to keep hungry wolves at bay, Novak Djokovic said on Sunday after clinching a record-equalling sixth Australian Open title.
Switzerland's Roger Federer claimed a record-equalling sixth Australian Open title with a 6-2, 6-7(5), 6-3, 3-6, 6-1 victory over Croatia's Marin Cilic on Sunday.
A family holiday in the Maldives might seem a good time for Roger Federer to put the racket down, but the Swiss master could not resist the offer of a hit when he found out Marin Cilic was also relaxing in the islands.
India's Rohan Bopanna inched closer towards his second Grand Slam title by reaching the mixed doubles final of the Australian Open along with Hungarian partner Timea Babos, in Melbourne on Friday.
Alexander Zverev snatched the Laver Cup for Team Europe as he beat Canada's Milos Raonic in the final rubber of a thrilling three days of action in Geneva's Palexpo Arena on Sunday.
The seventh seeded Indo-Swiss pair turned back the clock to serve past third seeds Daniel Nestor and Kristina Mladenovic 6-4, 6-3 in 62 minutes at the Rod Laver Arena.
Second seed Roger Federer was dumped out of the Australian Open third round by Italy's Andreas Seppi on Friday.
Awesome images from the world of Sport 2018.
After Sunday's thrashing Medvedev was left wondering if his best would have made any difference.
Nadal said his back was still bothering him against world number 56 Djere
Stefanos Tsitsipas feels he is unfairly targetted by officials over on-court coaching and said that it should be allowed anyway, after his Australian Open semi-final loss to Daniil Medvedev on Friday.
Andy Murray blamed Novak Djokovic's physical problems in their Australian Open final on Sunday for throwing him off his game but that could hardly explain the meltdown that saw the Scot lose 12 of the last 13 games.