Copyright 2025 The Associated Press. All Rights Reserved. Learner Tien of the U.S, hits a return to Germany’s Alexander Zverev, during a Mexican Open tennis match ...

Last month, Learner Tien made a breakthrough run to the fourth round of the Australian Open as a qualifier, defeating No. 5-ranked Daniil Medvedev along the way for the first Top 5 win of his career.

With World No. 1 Jannik Sinner suspended for three months, Acapulco represents a real opportunity for Alexander Zverev to capture the top spot. The current No. 2 has had chances to take over on ...

From finalist at last year’s ATP Next Gen Finals to defeating former world No. 1 Daniil Medvedev at the Australian Open, Learner Tien is riding a wave of momentum, and tennis fans aren’t the ...