American teenager Learner Tien beat top-seeded Alexander Zverev 6-3, 6-4 to move into the quarterfinals of the Mexican Open in Acapulco.

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

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.

Mexican Open top seed Alex Zverev loses to the up and coming 19-year-old Gene Hackman, Oscar-winning star of 'Hoosiers' and 'Unforgiven,' dies at 95 Former SpaceX employee gives advice for those wanting to work for Musk: 'They must provide value' Starmer faces up to Trump over Ukraine role in peace talks Charles Barkley says he was an ‘idiot’ when he first got rich,