Alexander Zverev on Saturday accused tennis authorities of favouring top-ranked rivals Carlos Alcaraz and Jannik Sinner in their choice of court surfaces, echoing criticisms made by Roger Federer.

Alcaraz is playing at the Japan Open in Tokyo this week, while Sinner will compete at the China Open in Beijing in his first appearance since the US Open.

Carlos Alcaraz beat Jannik Sinner in four sets on Sunday to win the US Open and reassert his dominance of an era-defining rivalry in a final delayed by the visit of President Donald Trump.

Jannik Sinner and Carlos Alcaraz, the world's undisputed top two players, will square off in a third straight Grand Slam final on Sunday at the US Open with President Donald Trump in attendance.

Felix Auger-Aliassime left the U.S. Open with pride and perspective after a 6-1 3-6 6-3 6-4 semi-final defeat to defending champion Jannik Sinner on Friday, saying only time will tell if he can return to the sport’s summit after an inspired fortnight in New York.

Reigning champion Jannik Sinner expects another "special" occasion when he plays Carlos Alcaraz for the men's US Open title after the Italian reached his fifth successive Grand Slam final on Friday.

Defending champion Jannik Sinner battled past 25th seed Felix Auger-Aliassime 6-1, 3-6, 6-3, 6-4 in the US Open semifinals on Friday to set up a blockbuster title clash with Carlos Alcaraz and renew one of the sport's most compelling rivalries.

World number one Sinner swept aside Musetti 6-1, 6-4, 6-2 in the first all-Italian men's quarter-final in Grand Slam history.

Defending champion Sinner needed just 81 minutes to administer a brutal 6-1, 6-1, 6-1 drubbing to reach the last eight.

Jannik Sinner kept his US Open title defence on track with a battling four-set win over Denis Shapovalov on Saturday as home favourite Coco Gauff sailed into the women's last 16.

Novak Djokovic battled past American qualifier Zachary Svajda in four sets on Wednesday to reach the US Open third round for a record-equalling 19th time.

Jannik Sinner launched the defence of his US Open title on Tuesday with a ruthless 6-1, 6-1, 6-2 win over Czech world number 89 Vit Kopriva.

Carlos Alcaraz is hoping to end Jannik Sinner's dominance of hardcourt Grand Slam events as the two rivals prepare to do battle again at the US Open.

Carlos Alcaraz was put on a US Open collision course with Novak Djokovic on Thursday as the draw for the men's and women's singles tournaments were revealed.

World number one Jannik Sinner, who was forced to retire during the final of the Cincinnati Open, and playing partner Katerina Siniakova have withdrawn from the US Open mixed doubles draw, tournament organisers confirmed Tuesday.

Play was stopped briefly with Sinner leading 4-2 as the audio portion of the electronic line-calling system suddenly failed.

Carlos Alcaraz says he has refused to let his Wimbledon finals loss to Jannik Sinner wipe the smile from his face as he prepares for his start at the ATP-WTA Cincinnati Masters.

"Every time we play each other, I think our level is really high."

History suggests the grand finale on the hallowed lawns will be tight. Expect fire, finesse, and perhaps another five-set epic.

Top seed Jannik Sinner said he would not be in the Wimbledon final if he still harboured the hurt from his heart-breaking defeat by Carlos Alcaraz in the French Open final and believed Sunday's meeting would be different.