In the opening round of the US Open, Carlos Alcaraz paid tribute to Masters champion Rory McIlroy with a celebratory golf swing after defeating Reilly Opelka.
The 22-year-old Spaniard, a self-described keen golfer, met McIlroy earlier in the day.
Meanwhile, Coleman Wong made history for Hong Kong by becoming the first male player from the country to win a Grand Slam singles match in the Open era, celebrating his victory with a congratulatory message from Rafael Nadal.
In other matches, Joao Fonseca overcame illness to win, Frances Tiafoe advanced in straight sets, and Holger Rune survived a scare to secure his victory.
However, Madison Keys suffered a shock first-round exit and Petra Kvitova ended her career with a loss.