Novak Djokovic secured a return to the world number one spot with a near flawless late-night performance at the US Open.
Coco Gauff battled from a set down under the lights as the US Open served up a thriller on opening night.
Holger Rune was left to regret tweeting a map of the US Open site to point spectators towards his first-round match.
In what may be an ominous sign for his US Open rivals, World No 1 Carlos Alcaraz believes he's a much better player now than when he won the tournament last year.
The US Open singles draws were announced on Thursday, revealing a host of tantalising opening round matches.
Kevin Anderson made a positive start in the US Open qualifiers, defeating Oleksii Krutykh in straight sets.