The 2023 runner-up broke on the final point of Wednesday's match to advance, 6-7 (9), 6-3, 7-5.

Playing his first match in China since 2019, the No. 4 seed saved two set points to hold off Alex Michelsen Saturday.

Six of the eight seeds at the ATP 500 event have now been eliminated before the quarterfinals.

Elsewhere Thursday, home favorite Yoshihito Nishioka saved two match points before edging Felix Auger-Aliassime.

Before each day's play at the US Open, we'll preview three must-see matches.

She’ll spend her 118th career week at the top spot during the first week of the US Open, surpassing the Belgian’s 117. Meanwhile, Andrey Rublev also hits a big ranking milestone.

After Taylor Fritz and Frances Tiafoe were denied a point due to similar "ridiculous" malfunctions of the Hawkeye system, players took to social media to voice their disbelief.

Frances Tiafoe later eliminated the Italian's compatriot Lorenzo Musetti with a 6-3, 6-2 victory.

The 23-year-old prevailed in a decisive tiebreaker Tuesday night to claim the first-round encounter.

The former Top 10 player rallied to beat Alex Michelsen 3-6, 7-5, 6-4 in Tuesday's first round, but another sentimental favorite, Canada's Milos Raonic, was forced to withdraw.