Learner Tien, a 19-year-old from California, took down top-seeded Alexander Zverev 6-3, 6-4 to advance to the Acapulco Open quarterfinals.

Australian Open finalist Alexander Zverev suffered another setback when he was beaten 6-3, 6-4 by American qualifier Learner Tien in Acapulco. Top seed Zverev lost the last five games from 4-1 up in the second set to crash out in the last 16 match in 1 hour 26 minutes on Wednesday night.

Zverev, the top seed at the Acapulco Open, went down 6-3 6-4 to the 19-year-old American on Wednesday. Tien, who claimed a big win over Daniil Medvedev en route to reaching the fourth round at the Australian Open in January, came from 1-4 down to win the second set – and the match – by reeling off five straight games.

Learner Tien shocks the Mexican Open 2025 by eliminating Alexander Zverev in straight sets. Is the young American the next big thing in tennis?

World number two Alexander Zverev suffers a shock early exit from the Mexican Open with a straight-set defeat against teenage qualifier Learner Tien.

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