Carlos Alcaraz booked his place in the China Open semi-finals in Beijing after maintaining his perfect record against Casper Ruud.
Serbian star Novak Djokovic will maintain his lead at the top of the ATP rankings despite missing out on tournaments scheduled for the upcoming weeks.
Alexander Zverev was forced to pull out all the stops against Roman Safiullin in the Chengdu Open final, eventually emerging the victor in three sets.
Just days before making his 17th US Open appearance, John Isner announced his upcoming retirement via social media on Wednesday.
Novak Djokovic won the Western and Southern Open for the third time in Cincinnati, beating Wimbledon champion Carlos Alcaraz in a thriller with tiebreaks deciding the last two sets.
Carlos Alcaraz and Novak Djokovic will come face-to-face for the first time since Alcaraz's Wimbledon victory when they meet in the final of the Western and Southern Open.