The 19-year-old Scot will meet the winner of the match between fifth seed Fernando Gonzalez of Chile and ninth seeded German Tommy Haas in the quarter-finals.
Briton Andy Murray will take over from Novak Djokovic as World No 1 when the rankings are updated on Monday after his Paris Masters semi-final opponent Milos Raonic withdrew with a leg injury on Saturday.
World number one Roger Federer suffered a stunning 7-5, 6-2 upset defeat by Argentine Guillermo Canas in the Pacific Life Open second round on Sunday.
Ivan Ljubicic will take on Robin Soederling in Friday's other semi-final.
Roger Federer won his fifth U.S. Open in a row by beating Briton Andy Murray in the men's final on Monday and said he did not plan on stopping with his career haul of 13 grand slam titles.
Andy Roddick celebrated his 24th birthday with a 6-3, 7-6, 6-3 victory over Kristian Pless.
The 18-year-old Scot, who has shot into the top 100 after starting the year ranked 411, defeated the American third seed to enter the semi-final of the Thailand Open.
The second seed Spaniard won an epic clash the Briton to enter the Australian Open quarter-finals.
The world No. 1 suffered his first defeat before a final for 14 months in the second round of the Cincinnati Masters.
Serena Williams, hoping to win a record-equalling 24th Grand Slam singles title, will start her campaign against fellow American Kristie Ahn.
orld number three Stan Wawrinka, who recently captured his third Grand Slam title at the US Open, has affirmed that he has no plans to retire at the moment. Despite admitting that he had anxiety attacks before clinching a victory over top-ranked Novak Djokovic at the Flushing Meadows, the Swiss star reiterated that he is currently in great form and wants to play as much tennis as possible in the coming future.
Briton Andy Murray and Germany's Angelique Kerber were named ITF World Champions on Tuesday, capping stellar years for the men's and women's world number ones. Murray, whose brother Jamie was named doubles World Champion along with Brazil's Bruno Soares, won Wimbledon in July before becoming the first player to win two Olympic singles gold medals when he retained his crown in Rio de Janeiro in August.
IMAGES from matches on Day 4 of the US Open at Flushing Meadows in New York on Thursday.
Johanna Konta hopes fellow Briton Andy Murray will be in action at this year's Wimbledon despite media reports claiming that the Scot has suffered a setback in his recovery from hip surgery.
World number one Ash Barty has decided to retire from professional tennis at the age of 25 and at the peak of her game, citing the fulfilment of her tennis goals and fatigue with life on the Tour.
Drained Medvedev pulls out of home tournament in Moscow
India's tennis player Yuki Bhambri was handed a tough draw at the Australian Open when he found himself pitted against World No. 6 Tomas Berdych in the opening round of the men's singles event.
World number one Novak Djokovic is on a French Open semi-final collision course with nine-times champion Rafael Nadal after the draw was made on Friday.
Williams reached the final of the mixed team event earlier this year with American compatriot John Isner to kick off a superb season where she won the Australian and French Opens and Wimbledon to take her grand slam singles haul to 21.
Novak Djokovic will keep Andre Agassi as his head coach when he returns to action after recovering from an elbow injury which forced him to cut short his season in July, Serbia's former world number one said on Tuesday.
Former World No. 1 and Wimbledon champion has emerged as the surprised as the surprise candidate to take over Novak Djokovic's coach, The Daily Telegraph reported.
Nick Kyrgios continued his impressive run of form ahead of this month's Australian Open by powering the host nation to the mixed-team Hopman Cup title against Ukraine in Perth on Saturday.
British Prime Minister David Cameron ignored growing speculation about the 'Curse of Cameron' on Wednesday by tweeting a message of support to Briton Andy Murray ahead of his quarter-final match at Wimbledon.
A shaken Konta pulled out of last Friday's semi-final, raising doubts over her participation at Wimbledon, which starts on Monday.
Predicting Rafael Nadal's downfall as he prepares to try and win a record-extending 10th French Open title is disrespectful to the Spaniard, double Roland Garros champion Maria Sharapova said on Friday.
World number one Novak Djokovic and number two Rafa Nadal set up a mouth-watering men's singles final at the US Open with victories in the semi-finals at Flushing Meadows on Saturday.
A winner of 12 Grand Slam titles, the Serb has suffered a noticeable dip in form since winning his maiden French Open last June, relinquishing top spot in the ATP rankings to Briton Andy Murray five months later.
A floundering Novak Djokovic should seek advice from evergreen Swiss maestro Roger Federer in order to rediscover his vintage self, the Serb's former Davis Cup coach Bogdan Obradovic said.
For someone who was the only man to beat world number one Novak Djokovic in a grand slam in 2015, Stan Wawrinka was indifferent about the attention on the feat heading into this year's Australian Open. Djokovic was virtually untouchable last year as he compiled an 82-6 win-loss record and won three grand slam titles as well as six of the eight ATP 1000 top-tier tournaments he played. Wawrinka, however, surprised the tennis world when he produced a barrage of backhands on the clay at Roland Garros to beat the Serb in the Paris final and claim his second grand slam title.
Switzerland's two greatest tennis players will join forces at next year's Rio Olympics when Roger Federer and Martina Hingis play together in the mixed doubles.
Two-times Grand Slam champion Pat Rafter's return to the big-time after retiring 13 years ago lasted just 73 minutes when he and his former Davis Cup team mate Lleyton Hewitt lost in straight sets in the Australian Open doubles.
Djokovic missed the Masters series event with an elbow injury and, having recovered, is eager to face Spain in the Davis Cup quarter-finals in front of a boisterous home crowd next weekend.
American great John McEnroe expects Roger Federer's sensational comeback season to continue in New York when the US Open kicks off on Monday.
Novak Djokovic no longer sees winning Grand Slam titles or staying top of the men's ATP rankings as a priority in his tennis career, Serbia's world number one said on Friday.
Raducanu falls in first match since US Open triumph.
World No 1 Novak Djokovic began his Paris Masters title defence with a routine 6-3, 6-4 win over German Philipp Kohlschreiber in the second round on Tuesday.
Fourth seed Andy Murray, with a consummate display of power and touch in tricky conditions, reached the BNP Paribas Open semi-finals with a landmark 6-3, 6-4 win over Spaniard Felicano Lopez on Thursday.
Novak Djokovic claimed a fourth Wimbledon title in ruthless fashion as he beat giant South African Kevin Anderson 6-2, 6-2, 7-6(3) in the final.
Serbia's Novak Djokovic, who beat Switzerland's Roger Federer to win his 16th Grand Slam title on Sunday: