Wong knew full well that his first-round victory at the U.S. Open on Monday made him the first men's player from Hong Kong to win a Grand Slam singles match since the Open era began in 1968. “It’s a big moment for me and also my family, Hong Kong people here and back at home,” Wong said. “It means a lot.”

With her victory, Eala, 20, became the first player representing the Philippines to win a Grand Slam match in the Open era. Ranked No. 75 in the world and training at the Rafael Nadal Academy, she stunned No. 14 seed Clara Tauson with a 6-3, 2-6, 7-6 (13-11) victory.

Novak Djokovic’s first match at the US Open was a bit of a litmus test for the Serbian legend because he didn’t play a hardcourt warm-up tournament coming into the year’s final Grand Slam. The 24-time Grand Slam champion said he didn’t play the Cincinnati Open because he prefers to focus on the Grand Slams at this stage of his career.

Novak Djokovic fears his lack of physical conditioning may come back to haunt him as he chases a record 25th Grand Slam singles title at the US Open.