Tallon Griekspoor saved four match points in upsetting top seed Daniil Medvedev 2-6, 7-6 (7), 7-5 in the quarterfinals at the ...

ACAPULCO, MEXICO (AP) _ Results Thursday from Abierto Mexicano Telcel at The Princess Mundo Imperial (seedings in parentheses): Tomas Machac (8), Czechia, def. Learner Tien, United States, 6-3, 7-5.

It was the 19-year-old's second career win over a top-five player, after he defeated Daniil Medvedev in the Australian Open second round in January.

American Learner Tien knocked out No. 1 seed Alexander Zverev, while three players exited citing stomach issues.

Teenage talent Learner Tien added another feather to his cap on Wednesday night at the Mexican Open. Tien stunned top seed ...

In January, when Daniil Medvedev kicked started his campaign at the Australian, he perhaps had no idea that two youngsters would trouble him from the very beginning.

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

Learner Tien (No. 83 in the world) faces Tomas Machac (No. 25) in the quarterfinals at the Abierto Mexicano Telcel presentado ...

Alexander Zverev may be subjected to a fine in Acapulco after skipping his post-match presser. On Wednesday, the No. 1 seed ...

Find out how to watch, live stream, TV channel, tournament information, & more for Learner Tien vs. Tomas Machac at the 2025 ...