22:02 CET - Over to Winston-Salem, where 10th seed Lorenzo Sonego (29) is through to the semi-finals, after downing Pavel Kotov (25) 6-3, 7-5.
Meanwhile, in Cleveland, top seed Beatriz Haddad Maia (28) is also through to the final four with a 6-2, 6-2 victory over Clara Burel (23).
19:25 CET - In the feel-good story of the day, Diego Schwartzman (32) has secured a spot in the final Grand Slam of his career, winning 6-4, 6-4 in his qualifying final against Vilius Gaubas (19).
18:10 CET - The US Open draw has just been made, and perhaps the standout clash of the opening round is the one between world number 10 Jelena Ostapenko (27) and former champion Naomi Osaka (26).
In the men's draw, Novak Djokovic (37) will be delighted at the fact that he's managed to avoid being on the same side as Carlos Alcaraz (21), who has instead been placed in Jannik Sinner's (23) half as was the case at Wimbledon.
13:50 CET - While we'll be keeping you up to date with what happens in Cleveland, Monterrey and Winston-Salem, the main event today is undoubtedly the US Open draw, which will be held at 18:00 CET. The main thing to look out for will be whether Carlos Alcaraz (21) ends up on the half with Jannik Sinner (23) or Novak Djokovic (37).
While you're waiting, why not check out some of the great exhibition tennis that's been on display at Flushing Meadows? The highlights include Alcaraz and Djokovic taking on two of the all-time greats, and Andy Roddick going up against Juan Martin Del Potro.
11:16 CET - Novak Djokovic (37) has arrived in New York ahead of the US Open, where he'll try to win his first Grand Slam of the year and avoid ending a season without a major for the first time since 2017.
Read more about his prospects in New York here.
09:33 CET - The big news to bring you from the overnight action is that second seed Emma Navarro (23) and fifth seed Elina Svitolina (29) both moved into the quarter-finals in Monterrey.
You can read a roundup of all the WTA results here.
09:20 CET - Hello and welcome to Flashscore's coverage of today's tennis!