SHANGHAI (AP) — Third-seeded Alexander Zverev lost to 54th-ranked Arthur Rinderknech 4-6, 6-3, 6-2 in his opening match at the Shanghai Masters on Monday.

Zverev, the highest-ranked player left in the draw, looked in control after taking the first set but struggled the rest of the match and couldn't break serve again. Rinderknech got a break in the second set and two in the third to seal the victory in more than two hours.

Rinderknech also beat Zverev in five sets in the first round at Wimbledon this year.

The 30-year-old Rinderknech has a career-best 23 wins in 2025 and is into the fourth round at a Masters 1000 event for the third time.

He will next play Jiri Lehecka, who defeated Denis Shapovalov 6-4, 6-4.

Earlier, seventh-seeded Alex De Minaur defeated Kamil Majchrzak 6-1, 7-5 in

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