Russian seventh seed Daniil Medvedev, the 2023 Miami champion who arrived this year fresh off a run to the Indian Wells semi-finals, crashed out at the first hurdle as he fell 6-2, 6-3 to Spaniard Jaume Munar.
No. 1 seed Carlos Alcaraz of Spain was pushed to three sets before finishing off Dutch wild card Botic van de Zandschulp in the first round of the ABN AMRO Open.
Madison Keys was dumped out of the Miami Open third round on Sunday, falling 6-4, 6-2 to Philippine wild card Alexandra Eala
An off-colour Alcaraz lost 6-1, 7-5 to Norway's Casper Ruud in his opening match on Monday and the 21-year-old cancelled a public training session the following day.
Top seed Carlos Alcaraz of Spain and No. 8 seed Hubert Hurkacz of Poland will clash in the ABN Amro Open semi-finals on Saturday after both posted victories on Friday in Rotterdam, Netherlands.
Carlos Alcaraz suffered a shock 6-1, 7-5 defeat against Norway's Casper Ruud in his opening match at the ATP Finals
Defending ATP Finals champion Novak Djokovic has pulled out of the season-ending event in Turin through injury, the Serbian said on Tuesday.
No. 2 seed Casper Ruud of Norway will take on unseeded Denis Shapovalov of Canada in the Dallas Open final on Sunday after both notched semi-final victories.
Alex Michelsen hung on to defeat Tung-Lin Wu and help the United States take a 2-0 lead against Taiwan in the Davis Cup qualifier in Taipei City on Friday.
Teichmann wins singles, Anshba-Pridankina claim doubles at Mumbai Open
Jannik Sinner's stupendous year may have been clouded by an anti-doping controversy but on the court he is finishing the season like an express train and has won 25 of his last 26 matches.
Learner Tien is the youngest American man to reach the third round of the Australian Open since an 18-year-old Pete Sampras in 1990.
Taylor Fritz became the first American since 2006 to reach the title match at the ATP Finals after winning a slugfest against world number two Alexander Zverev in on Saturday.
Defiant Djokovic still targeting Grand Slam wins after Australia setback
Here is what you need to know about the year's Australian Open:
Beyond the handball incident, the Belgian champions were the better side on the night. Villa's World Cup-winning keeper Martinez was pressed into action early by Brugge, who had seven shots on target to the Premier League club's one, and made several key saves to keep his team in the game.
Spain's Carlos Alcaraz made light of feeling under the weather as he dispatched Russia's Andrey Rublev in impressive fashion to revive his ATP Finals hopes on Wednesday.
Three-time major champion Billy Casper died on Saturday at the age of 83, the US PGA Tour has announced.
Rafael Nadal teamed up with Norwegian Casper Ruud to register a 6-1, 6-4 win over second seeds Guido Andreozzi and Miguel Reyes-Varela on the Swedish clay.
The Frenchman clinched his first victory in the Tour de France when he won Sunday's first stage.
Fourth seed Alexander Zverev will play Brandon Nakashima as the former finalist looks to end his long wait for a maiden Grand Slam title.
Alexander Zverev into ATP Finals semis after straight sets win over Carlos Alcaraz
Four-time Grand Slam winner Carlos Alcaraz said a tight tennis calendar makes it difficult for players to stay motivated throughout the year and increases the risk of injuries.
Jannik Sinner made it two wins out of two at the ATP Finals as he fought off Taylor Fritz in a high-octane clash inside the Inalpi Arena on Tuesday.
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Jannik Sinner will hope to block out a rocking home crowd on Sunday when he faces Taylor Fritz in the US Open final at Flushing Meadows, where the 12th seed will be bidding to become the first American man in 21 years to win a Grand Slam singles title.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
Dinamo Zagreb and Celtic played out a lifeless 0-0 draw in the Champions League on Tuesday, with Celtic keeper Kasper Schmeichel producing the match's memorable moment with a late save.
Images from the men's singles action at the US Open on Sunday.
Carlos Alcaraz won two matches to lift Team Europe to a 13-11 victory over Team World for the Laver Cup title in Berlin.
Casper Ruud stunned top seed Novak Djokovic 6-4 1-6 6-4 in a thrilling Monte Carlo Masters semi-final on Saturday, avenging his loss in last year's French Open final to set up a title clash with twice champion Stefanos Tsitsipas.
Alcaraz will face German Alexander Zverev or two-time runner-up Casper Ruud of Norway on Sunday.
Casper Ruud gained sweet revenge over Stefanos Tsitsipas as he beat the Greek fifth seed 7-5, 6-3 to win the Barcelona Open on Sunday.
Alexander Zverev has agreed a settlement after the mother of his child accused him of physical abuse and a German court closed the case on Friday, the French Open semi-finalist's lawyers said
Sweltering heat gripped the second-round action at the US Open on Wednesday
Alexander Zverev kept his bid for an elusive first Grand Slam title alive by reaching a fourth straight semi-final at the French Open
Tsitsipas made short work of Norwegian eighth seed Casper Ruud as he seized a third Monte Carlo Masters title in four years with a 6-1, 6-4 victory on Sunday.
Twice finalist Ruud overcomes Davidovich Fokina test
Here is a quick glance of all the highs and lows from Nadal's stupendous career:
World No 1 Novak Djokovic was beaten by Tomas Machac in the Geneva Open semi-finals.