• Australian tested positive at event in June

• Kyrgios and Tsitsipas have clashed in the past

Stefanos Tsitsipas says he is not surprised that Nick Kyrgios was suspended from tennis for taking cocaine.

“Pretty much expected, to be honest,” Tsitsipas said. “I am surprised it came so late, though.”

Carlos Alcaraz and Aryna Sabalenka began their title defences with comfortable victories on Arthur Ashe

Sabalenka eases through on her serve, advancing to the net to secure her first game of the tournament with a forehand volley. It’s 1-1 in the opening set against Osorio.

Sabalenka and Osorio are underway on Arthur Ashe, with the Colombian serving. She records two double-faults before Sabalenka seizes upon the second serve, whipping a blistering forehand to make it deuce. But the defending champion finds the net and the stratosphere, too, as Osorio holds to go 1-0 up.

• Kenin wins 6-2, 7-6 (6) in late-night contest

• Williams loses 15th straight tour-level match

• First-round clash finally begins at 12.13am

Sunday had become Monday by the time Venus Williams finally emerged beneath the closed roof of Arthur Ashe Stadium, her entrance pushed deep into the night after Novak Djokovic’s bruising defeat by Argentina’s Mariano Navone went the five-set distance. The first ball was struck at 12.13am, the latest start to a match in US Open history, yet several thousand spectators remained to watch a player who has been part of this tournament for as long as the building itself.

At 46 years old, ranked 611th in the world and making her record-extending 26th US Open singles appearance, Williams has grown accustomed to making history simply by showing up. Even by those standards this latest installment was, as she would later describe it, “completely insane”.