It was Roger Federer's fastest defeat since losing to Franco Squillari in 54 minutes in Sydney in 2003.
Images from the men's singles fourth round matches at the Australian Open, on Sunday.
India's Nagal draws world No 128 Bradley Klahn in opener.
A round-up of results from Davis Cup matches played on Saturday and Sunday
IMAGES from Day 2 of the 2022 French Open at Roland Garros in Paris on Monday.
Murray, playing in his first Davis Cup tie since 2016 and only five months after returning to the sport following career-saving hip surgery, clawed out a 6-7(7), 6-4, 7-6(5) victory
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.
Canadian Felix Auger-Aliassime proved too strong for former champion Andy Murray, cutting short the Briton's Grand Slam comeback at the US Open with a breezy 6-2, 6-3, 6-4 victory in the second round on Thursday.
India caused a stir in Zagreb where veteran duo Leander Paes and Rohan Bopanna edged Mate Pavic and Franko Skugor in Saturday's doubles to keep alive the tie but Marin Cilic quickly doused Indian hopes with a 6-0, 6-1 win over Sumit Nagal.
Novak Djokovic is chasing a record-extending eighth Australian Open title, while Dominic Thiem will bid to become the first man born in the 1990s to win a major title.
Australia eased ahead of Bosnia 2-0 as John Millman thumped Damir Dzumhur 6-3, 6-2 while Alex de Minaur overcame Mirza Basic 6-3, 7-6(0), before Millman revealed the team's larger goal under captain Lleyton Hewitt.
Roger Federer continued his sizzling form on Saturday to set up an all-Swiss final against Stan Wawrinka at the BNP Paribas Open in California.
It was a repeat of the 34-year-old's straight sets victory over Andy Murray in the second round of the US Open in August.
Serena, a six-times champion in New York who is seeded 17th, will start her campaign against Polish world number 60 Magda Linette and could face Venus in the third round before a possible fourth-round showdown with Romanian top seed Halep.
Rafael Nadal overcame a temporary blip on his way to victory at the ATP Cup on Saturday
Andy Murray made another of his trademark stirring fightbacks as the third-seeded Scot powered past Frenchman Adrian Mannarino after dropping the first two sets of their second round encounter at a sweltering US Open in New York, on Thursday.
Croatian Cilic, who lost last year's final to Roger Federer, underlined his credentials for another Grand Slam title bid to add to his U.S. Open triumph in 2014.
After losing the first set, Medvedev changed his approach midway through the second set, the Russian going for broke with pretty much every shot, particularly on second serve.
India's schedule on the ninth day of the competitions at the Asian Games in Incheon on Sunday.
Next up for the 35-year-old will be another American in 39th-ranked Tommy Paul with a potential semi-final clash against top-seeded Russian Daniil Medvedev, who he defeated in the Australian Open final from a two-sets deficit.
Roger Federer was made to work hard by Fernando Verdasco before beating the Spanish veteran 6-3, 3-6, 6-3 on Wednesday to reach the quarter-finals of the Dubai Duty Free Tennis Championships.
But for the 23-year-old Bouchard, a former world number five who has slumped to 56th in the rankings, it was another blow after her first-round exit in Indian Wells.
It ended a woeful few days for reigning champions Croatia. They left with two losses.
A round-up of all tennis action on Friday.
A summary of Tuesday's action at the US Open.
Images from Day 5 of the 2023 Australian Open at Melbourne Park on Friday.
Images from Day 9 of the 2023 French Open at Roland Garros in Paris on Monday.
Unseeded Australian Daria Gavrilova upset fifth seed Petra Kvitova, of the Czech Republic, 6-2, 6-1 in the first round of the China Open on Saturday as Serbia's Aleksandra Krunic showed stunning powers of recovery to pull off her own shock win over sixth seed Elina Svitolina.
A round-up of all tennis action on Saturday.
Novak Djokovic wore down Lucas Pouille after an even first set, dispatching the Frenchman 7-6(2), 6-1 in a Cincinnati Masters quarter-final in Ohio on Friday.
Angelique Kerber, who will reclaim the world number one ranking on Monday, breezed to a 6-2, 6-1 second-round victory over fellow German Andrea Petkovic at the BNP Paribas Open on Saturday.
Images from Day 2 of the 2020 US Open in New York
Saketh Myneni got himself in line for two gold medals by reaching the finals of both men's doubles and mixed doubles events even as other Indian tennis players, including Sania Mirza, clinched three bronze at the Asian Games in Incheon on Sunday.
World number one Rafael Nadal won a battle of attrition against fellow left-hander Yoshihito Nishioka of Japan 7-6(4), 6-4 to seal Spain's spot in the final eight of the inaugural ATP Cup in Perth on Wednesday. Meanwhile his long-time rival, world number two Novak Djokovic, had an easier outing in Brisbane, strolling past Chile's Cristian Garin 6-3, 6-3 to stay undefeated in the new year.
Top seed Dominic Thiem was knocked out the Rio Open in the first round on Tuesday, going down 6-3, 6-3 to Laslo Djere.
Venus Williams staged a spirited comeback to down third seed Petra Kvitova 4-6, 7-5, 6-4 and reach the third round of the BNP Paribas Open in Indian Wells on Saturday.
Roger Federer suffered a shock 3-6, 6-3, 7-6(4) defeat to Australian wildcard Thanasi Kokkinakis on Saturday that will cost the Swiss his world number one ranking and leaves the Miami men's tournament wide open.
Top seeded Ash Barty overcame a slow start to defeat Maria Sharapova 6-4 6-1, while Simona Halep battled past Ekaterina Alexandrova 3-6 7-5 6-4 in the second round of the Cincinnati Masters on Wednesday.
A summary of Tuesday's play at the French Open.
Thursday's match was just Venus Williams's seventh of the year and first since January's Australian Open, where she fell to Simona Halep in the round of 32.