The 16-times Grand Slam champion, who has been slightly ill lately, was kept on his toes before racing to victory to set up a meeting with seventh seed Stefanos Tsitsipas.
A summary of Thursday's play at the US Open.
The postponement of the Tokyo Olympics has disappointed athletes around the world but, if the coronavirus pandemic eases over the next few months, it could turn out to be a blessing for the tennis world.
Victoria Azarenka dropped her first set of the tournament on Saturday but recovered to book her place in the last 16 at the U.S. Open after two former Grand Slam champions were sent packing.
Summary of sports events and persons who made news on Sunday
Andy Murray recovered from a slow start to beat Argentine qualifier Juan Ignacio Londero
'However, the importance of children in transmitting the virus remains uncertain,' the scientists cautioned in the study. 'Coronaviruses are a large family of viruses that can cause infection and disease in animals, capable of rapid mutation and recombination, leading to novel viruses that can spread from animals to humans,' they said.
IMAGES from the matches played at the PNB Paribas Open at Indian Wells on Wednesday
Images from all the action from Day 1 of the French Open played at Roland Garros in Paris on Sunday
Maria Sharapova's fellow players described her as inspirational and praised her fighting spirit following the Russian's announcement of her retirement from tennis at the age of 32 on Wednesday. The injury-plagued Sharapova, renowned for her never-say-die approach to the sport despite regularly being hampered by shoulder problems, won five Grand Slam titles.
Earlier in the day, Karolina Pliskova became the first woman to advance when the big-hitting Czech curbed her attacking instincts to beat compatriot Petra Kvitova 6-3, 6-4 and record her second win against a single loss in White Group play.
Poland's Agnieszka Radwanska moved within one win of securing a place at the WTA Finals after thrashing Czech Karolina Pliskova 6-3, 6-1 in the semi-finals of the Tianjin Open on Saturday.
Borna Coric ended Roger Federer's 20-match winning streak on grass, beating him 7-6(6), 3-6, 6-2 in the Halle Open final on Sunday while also bringing to a halt the Swiss maestro's reign as World No 1.
Czech Petra Kvitova overcame a second set meltdown to dispatch Angelique Kerber 6-2, 0-6, 6-3 in the final of the Pan Pacific Open in Tokyo on Saturday to claim her 11th WTA tour title.
Serbia's Aleksandra Krunic added her name to a list of anonymous figures to emerge from the Flushing Meadows shadows and step into the US Open spotlight with a shock 6-4, 6-4 win over Wimbledon champion Petra Kvitova on Saturday.
Former world number one Maria Sharapova will compete at the Birmingham Classic grasscourt event in the lead-up to Wimbledon, Britain's Lawn Tennis Association (LTA) announced.
Serena Williams sounded a warning for her fellow Australian Open contenders with a sleek win
World No 1 Serena Williams was handed the best possible draw for her WTA Finals title defence with the 33-year-old American grouped with two injury doubts and avoiding the in-form players.
Grand Slam winners Samantha Stosur and Petra Kvitova strolled into the second round of the Dubai championships with straight sets wins on Tuesday after Australian Open champion Victoria Azarenka withdrew due to a foot injury.
Bhupathi has also moved into the second round of the men's doubles events.
Rafael Nadal reclaimed top spot in the men's ATP rankings on Monday
Images from Saturday's play at Wimbledon.
Caroline Wozniacki was the latest player left spread-eagled on the slippery All England Club turf as she limped out of Wimbledon following a 6-2, 6-2 second-round defeat by Czech Petra Cetkovska on Wednesday.
They swear by vegetarianism to not only save our environment and animals, but also to maintain their lithe, sculpted figure.
After the 'lingerie' outfit during the Wimbledon, Nike is back with fluorescent yellow gear for players, both male and female.
Former champion Maria Sharapova raised her game when it mattered to storm into the BNP Paribas Open quarter-finals with a 7-5, 6-0 victory over Spaniard Lara Arruabarrena-Vecino on Tuesday.
Images from Day 1'a matches at the French Open played on Sunday.
Sara Errani beat doubles partner Roberta Vinci 6-3, 6-3 in a subdued all-Italian semi-final at the Dubai championships on Friday.
Czech Petra Kvitova defeated titleholder Agnieszka Radwanska 6-2, 6-4 in the Dubai Championships on Thursday to set up a semi-final against Caroline Wozniacki.
The tournament, with eight players in both the men's and women's draw, will resemble regular tennis as much as possible.
Osaka became the first Japanese tennis player to win the Australian Open and the first Asian player to claim the world number one ranking.
Poland's Agnieszka Radwanska booked a spot at the end of season WTA Finals in Singapore after outclassing Montenegrin Danka Kovinic to win the Tianjin Open in China on Sunday.
Stefanos Tsitsipas' YouTube channel is experiencing a surge in subscribers after he reached the Australian Open semi-finals and the Greek youngster will hope to add to his highlight reel when he faces world number two Rafael Nadal on Thursday.
Images from Day 9 of the 2020 US Open in New York, on Tuesday.
American qualifier Sachia Vickery completed an astonishing comeback to stun third seed Garbine Muguruza 2-6, 7-5, 6-1 in a second-round win at the BNP Paribas Open in California on Friday.
Erratic serving cost Petra Kvitova dearly as the fifth-seeded Czech was knocked out of the BNP Paribas Open by Russian Maria Kirilenko on Wednesday, losing 4-6, 6-4, 6-3 in the quarter-finals.
Former Wimbledon champion Petra Kvitova claimed her 10th singles title after defeating Sara Errani 6-2, 1-6, 6-1 in the final of the Dubai Championships on Saturday.
World number four Agnieszka Radwanska overcame a misfiring serve to beat Kazakh teenager Yulia Putintseva 7-5, 6-3 in the second round of the Dubai women's tennis championships on Wednesday.
Williams, a record 23-times Grand Slam champion, will be returning to the All England Club for the first time since giving birth to her daughter last September.