Canadian Open champion Shelton was locked in an entertaining contest with Frenchman Adrian Mannarino in the day's opening match on Louis Armstrong Stadium when his tournament suddenly unravelled.
Novak Djokovic's battling victory under the lights of Arthur Ashe Stadium made him the oldest man to reach the last 16 at the US Open.
Eugenie Bouchard's best year was 2014 when she reached the semi-finals of the French and Australian Opens, and the final of Wimbledon.
Sabalenka relied on her trademark powerful serve to hold firm in the key moments, winning two tiebreaks to take her tally to 18 for the season, the most by any women's singles player in the professional era.
American lucky loser Reilly Opelka put up an intense battle to stun top seed Daniil Medvedev 7-6(5), 7-6(5) and reach the semi-finals in Den Bosch on Friday.
Carlos Alcaraz, who advanced to the last eight in Cincinnati for the third time, has now won 36 of his last 38 matches.
World No. 72 Nagal has a tough road ahead as he is placed in the same section of the draw as top seed and World No. 1 Jannik Sinner
Carlos Alcaraz reveals prize money attracted him to Saudi's Six Kings Slam
Carlos Alcaraz failed to reach the Paris Masters quarter-finals after a thrilling 6-1, 3-6, 7-5 defeat to local favourite Ugo Humbert
Andy Murray says 'definite possibility' he's played his last Australian Open match
Carlos Alcaraz won two matches to lift Team Europe to a 13-11 victory over Team World for the Laver Cup title in Berlin.
No 'triple bagel' but Djokovic thumps Mannarino to reach quarters
Another Indian, Yuki Bhambri and his Dutch partner Robin Haase also progressed to the quarter-finals.
Lopez was cheered on by 22-time Grand Slam champion Nadal during his final event as a professional.
Australian great Rod Laver says engravers should get to work putting the world number one's name on the Grand Slam trophy for an 11th time.
Three contenders for the men's singles title at the Australian Open, which starts on Sunday.
The 43-year-old Bopanna and 35-year-old Ebden, who claimed two doubles titles on the ATP Tour earlier this year, will next face the unseeded British pair of Jacob Fearnley and Johannus Monday on Sunday.
Hurkacz, Swiatek win as Poland march into United Cup final
Novak Djokovic crashed to his first defeat of the season with a stunning 6-4, 6-4 loss to Alex de Minaur.
Top seed Carlos Alcaraz cruised into the quarter-finals of the Queen's Club Championships.
Top seed Carlos Alcaraz reached the semi-finals at the Queen's Club Championships with a straight sets victory over Bulgarian Grigor Dimitrov.
Sabalenka overpowers Raducanu, Osaka falls
Indian doubles pair of Yuki Bhambri and Saketh Myneni put up a valiant fight before going down to Alejandro Davidovich Fokina of Spain and Adrian Mannarino of France in a three-setter.
Germany captain Michael Kohlmann was pleased to make 'positive history' after their first win over France in 84 years.
Andy Murray was "back in the good books" with his wife on Thursday after his wedding ring and stinky shoes were returned to him.
Frenchman Adrian Mannarino also quit at two sets apiece against eight-times champion Roger Federer after sliding over on Centre Court and injuring his knee.
Top seed Roger Federer was finally forced to work hard for a win at the Swiss Indoors tournament as he fought back to beat Adrian Mannarino 4-6, 6-1, 6-3 in his quarter-final on Friday.
Carlos Alcaraz ended Australian qualifier Max Purcell's dream run to reach the Cincinnati Open semi-finals
Earlier, title holder Borna Coric beat American Sebastian Korda 7-6 (5), 6-4, while another home hope Taylor Fritz survived a first-set thriller to beat Czech Jiri Lehecka 7-6 (14), 6-2.
The Serbian second seed's match against France's Adrian Mannarino was delayed because of the epic five-setter between Gilles Muller and Rafael Nadal.
Frances Tiafoe, Taylor Fritz, Tommy Paul and Coco Gauff all advanced to the third round of the US Open on Wednesday to keep home hopes alive.
Images from Day 6 of the 2024 Australian Open in Melbourne on Friday.
Shapovalov will meet Rafael Nadal for a place in the semi-finals.
He made a solid start against France's Adrian Mannarino to take a 5-2 lead in the opening set but injured his wrist in the eighth game before retiring.
Andy Murray and Emma Raducanu clinched hard-fought wins in their first round matches at Indian Wells.
Images from Day 2 of the 2024 Australian Open in Melbourne on Monday.
IMAGES from Day 5 of the US Open, at the USTA Billie Jean King National Tennis Center, Flushing Meadows, New York, on Friday.
Roger Federer's late bid to secure his customary place in the season-ending ATP World Tour finals began with a routine opening round win over Adrian Mannarino in his home town tournament in Basel on Monday.
Second seed Novak Djokovic eased into the Wimbledon quarter-finals with a routine 6-2, 7-6(5), 6-4 win over France's Adrian Mannarino on Tuesday.
World number one Novak Djokovic had to work hard for a three-set victory over Hungarian Marton Fucsovics at the Paris Masters on Tuesday in his first match since losing the U.S. Open final in September.