Nadal converted two of three break chances to claim his 19th win in 22 encounters against the Swiss.
Former world number one Rafa Nadal wasted a match point as he slipped to a surprise semi-final loss to Austrian Dominic Thiem on his beloved clay at the Argentina Open on Saturday.
Images from Sunday's action at the Australian Open.
Rafael Nadal has played down the significance of his quarter-final defeat by Austrian Dominic Thiem at the Madrid Open
Only one player has beaten Rafael Nadal on his beloved claycourts this year and that man, Austria's Dominic Thiem, blocks the Spaniard's path to the French Open final.
Images from Day 4 of the French Open, at Roland Garros, in Paris.
It will motivate him to keep working hard and move to the top 100, feels India's Davis Cup captain Mahesh Bhupathi
Novak Djokovic begins his hunt for a fifth Flushing Meadows crown when he meets Moldovan Radu Albot
Sinner won in Cincinnati this week to claim his fifth title of a breakout season before the revelation that he avoided a ban over two positive tests
Djokovic has not reached the last eight of a tournament since last year's Wimbledon and has struggled with a long-term elbow injury.
It was a battle of wills out on court at the USTA Billie Jean King National Tennis Center on Tuesday, with the proceeding stretching to nearly 5 hours -- four hours and 50 minutes precisely.
A summary of the second day's play at the US Open.
Daniil Medvedev and Karen Khachanov crushed second seed Dominic Thiem and third seed Alexander Zverev respectively to set up an all-Russian semi-final at the Rogers Cup in Montreal on Friday.
Deposed World No 1 Novak Djokovic suffered an early scare against Austrian debutant Dominic Thiem at the ATP World Tour Finals before launching his bid for a fifth successive title with a 6-7(10), 6-0, 6-2 victory.
IMAGES from Day 6 of the French Open, at Roland Garros, on Friday.
Thirteen years on and his record next to the Bois de Boulogne stands at an incredible 85 wins and two losses.
Austrian Dominic Thiem became the first player to capture titles on three different surfaces this year when he finished off Philipp Kohlschreiber to win the Mercedes Cup in Stuttgart on Monday.
Defending champion Rafael Nadal failed to win a single game in the opening set of his US Open quarter-final against Dominic Thiem on Tuesday but fought back to beat the Austrian 0-6, 6-4, 7-5, 6-7 (4), 7-6 (5) in match that ended past 2 am in New York.
The Austrian spent four days in bed with a virus after pulling out of a tournament in Doha last week.
Top seed Simona Halep came back from a set down for the third time in the tournament to beat Kazakhstan's rising star Elena Rybakina 3-6, 6-3, 7-6(5) to win the Dubai Duty Free Tennis Championships for the second time on Saturday. In a battle that lasted nearly two-and-a-half hours, the match came down to a tiebreak where two shots that went agonisingly wide for Rybakina eventually decided the title in front of a noisy crowd that constantly chanted Halep's name.
Beaten twice by Nadal in the space of a month, in the Barcelona and Madrid Open finals, Thiem took his revenge by handing the 30-year-old Spaniard a first clay court defeat of the season in Rome.
Rafael Nadal extended his astonishing winning run on clay to 42 consecutive sets as he reached the semi-finals of the Barcelona Open with a 6-0, 7-5 victory over Slovakia's Martin Klizan on Friday. The defending champion will face David Goffin on Saturday after the Belgian beat Spaniard Roberto Bautista 6-7(3), 6-2, 6-2.
The opening match in the Pete Sampras Group produced a feast of stylish backhands from both players but it was Dimitrov, the first Bulgarian to qualify for the tournament in its 48-year-old history, who overcome some late jitters to prevail.
The fifth-seeded Austrian, who saved two match points, will face Novak Djokovic on Saturday after the world number one's opponent Marin Cilic withdrew with food poisoning.
Belgian Goffin, thrashed by Grigor Dimitrov two days ago, appeared to be feeling the effects of that mauling as he went 3-0 down with a whimper, but came alive to win 15 points in a row during a first-set comeback.
Images from Day 1 at the Australian Open.
Karolina Pliskova showed the steel of a world number one as she fought off a match point to claim a riveting 3-6, 7-5, 6-4 comeback win over Zhang Shuai in the US Open third round.
Defending champion Simona Halep was knocked out of the French Open 6-2, 6-4 by 17-year-old American Amanda Anisimova in a quarter-final shock.
Nadal was leading the match 6-1, 2-0 when Correno Busta decided he had had enough.
Germany's Alexander Zverev won the battle of the young guns against Denis Shapovalov on Saturday to set up a Madrid Open final against Austria's Dominic Thiem.
IMAGES from the French Open semi-finals played at Roland Garros on Friday
Six-time Australian Open champion Djokovic pulled out of a tournament in Abu Dhabi last week because of continuing problems with his right elbow and wore a sleeve over the joint during his round robin match against the Austrian.
World number one Novak Djokovic extended his winning run in Asia when he strolled into the last-16 of the Shanghai Masters.
Lorenzo Musetti faces seven-times Wimbledon champion Novak Djokovic in the semi-finals.
Claycourt king Rafael Nadal marched into his 10th French Open final after demolishing rising Austrian Dominic Thiem 6-3, 6-4, 6-0, while third seed Stan Wawrinka edged past Andy Murray 6-7, 6-3, 5-7, 7-6, 6-1.
Dominic Thiem claimed his first Masters 1000 title after coming from a set down to defeat Roger Federer
Dominic Thiem stayed very much in the mix at the ATP World Tour Finals with a 6-3, 1-6, 6-4 victory over mercurial Frenchman Gael Monfils at the O2 Arena on Tuesday.
IMAGES from matches played at the BNP Paribas tennis tournament played in Indian Well, California, on Thursday
Kenin, Andreescu to be part of team event in Charleston in June
Alcaraz grinds down Zverev to win maiden French Open title