Dominic Thiem, the losing finalist in the Australian Open this year, battled to a 6-2, 6-2, 3-6, 6-3 victory in the late match at an empty Arthur Ashe stadium.
Western & Southern Open: Andy Murray beats Frances Tiafoe to enter second-round; Dayana Yastremska ousts Venus Williams
The 33-year-old Scotsman advanced in hot and humid conditions to a second-round date with German fifth seed Alexander Zverev at the COVID-19 quarantine bubble that will also be used for the US Open, which starts on August 31.
Former Wimbledon and US Open champion Murray was given slot alongside Americans Tommy Paul, Tennys Sandgren and Frances Tiafoe for the event, a warm-up for the Grand Slam in New York which begins on 31 August
Coronavirus Outbreak: Frances Tiafoe withdraws from All-American Team Cup after testing positive for COVID-19
Tiafoe was scheduled to face Tennys Sandgren on Saturday in the weekend tournament involving eight top American men's players at Life Time Fitness in Peachtree Corners
Tiafoe, 22, was born to immigrant parents from Sierra Leone, with his father working as a janitor at a tennis centre
Australian Open 2020: Far from flawless, Daniil Medvedev lives to fight another day with win over Frances Tiafoe
Medvedev started and finished the match impressively to carve out a 6-3, 4-6, 6-4, 6-2 win in two hours and 36 minutes. But, in between, there were plenty of moments of anxiety, some self-inflicted, some by the pressure Tiafoe created.
Australian Open 2020: Rafael Nadal begins tournament with easy win; 'Next Gen' star Jannik Sinner makes successful debut
The 33-year-old Nadal dropped a service game once in each of the first two sets but was too dominant for No. 73-ranked Dellien
Australian Open 2020: Fears of bushfire smoke disrupting season's first Grand Slam recede as air quality improves in Melbourne
The Air Quality Policy for the Australian Open was made public on Friday with its thresholds for suspending play, although the referee still maintains the ultimate discretion to keep the players on the court
Australian Open 2020: After encouraging ATP Cup, Daniil Medvedev eager to replicate last season's heroics at Melbourne Park
It was a deflating finish to the year which Medvedev said had left him with nagging thoughts he might never scale such heights again
Swiss Indoors: Stanislas Wawrinka pulls out of quarter-final clash against Roger Federer due to back injury
Stanislas Wawrinka was forced to withdraw from Friday's Basel quarter-final showdown against best friend Roger Federer with a back injury, just an hour after struggling past Frances Tiafoe in a gruelling second-round clash.
Roger Federer crushed Radu Albot 6-0, 6-3 on Wednesday to win his 22nd match in a row at the Swiss Indoors and earn a quarter-final place at his home event for the 17th time.
European Open: Andy Murray into first semi-final since 2017 Roland Garros; Jannik Sinner youngest to make it to ATP last four
Former world number one Andy Murray reached his first semi-final since the 2017 French Open with a battling three-set win over Romania's Marius Copil in Antwerp on Friday.
European Open: Andy Murray cruises into quarter-finals with straight sets win over Uruguay's Pablo Cuevas
Former world number one Andy Murray cruised into the quarter-finals at Antwerp on Thursday with a 6-4, 6-3 defeat of Uruguay's Pablo Cuevas.
Shanghai Masters: Denis Shapovalov beats Frances Tiafoe, sets up second-round encounter with Novak Djokovic
Denis Shapovalov defeated Frances Tiafoe 6-4, 6-2 at the Shanghai Masters on Monday, setting up a second-round encounter with defending champion Novak Djokovic.
Wimbledon 2019: Andy Murray-Serena Williams drawn against Andreas Mies-Alexa Guarachi in first round of mixed doubles
India have three entrants in the mixed doubles draw at Wimbledon. Andy Murray will partner Serena Williams with Venus Williams teaming up with Frances Tiafoe in the 64-team draw.
French Open 2019: Reeling in fairytale year, India's sole warrior in singles event Prajnesh Gunneswaran soldiers into Roland Garros
Gunneswaran won his second ATP US$ 150K Challenger event, in Bangalore at the end of 2018, made his Grand Slam debut by qualifying for the Australian Open, broke through into the top-100 and played his first ATP 1000 Masters event in Indian Wells in February – all in the space of four months.
Roger Federer insisted Monday his focus at this week's Rome Masters was on getting more match practice on clay ahead of the French Open in two weeks time.
Madrid Open 2019: Rafael Nadal thumps Felix Auger-Aliassime in straight sets; David Ferrer calls time on career
Rafael Nadal believes he is finding his rhythm again after beginning his bid for a sixth Madrid Open title by beating Felix Auger-Aliassime in straight sets.
Madrid Open 2019: Sloane Stephens beats former World No. 1 Victoria Azarenka; Petra Kvitova bests Kristina Mladenovic
Belarusian Azarenka, who double-faulted nine times, drove a forehand into the net as she was broken in the final game to lose to 8th seed Sloane Stephens
Delray Beach Open: Second seed John Isner books quarter-final berth with confident win over Lukas Lacko
Second-seeded John Isner booked a quarter-final berth at the ATP Delray Beach Open on Wednesday with a confident 6-4, 6-3 victory over Slovakia's Lukas Lacko.