American Learner Tien set up an intriguing second round clash with No. 9 seed Andrey Rublev after the talented 19-year-old defeated Leandro Riedi in straight sets.
Tien eases into the second round
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Cincinnati
2025R1R1
American Learner Tien set up an intriguing second round clash with No. 9 seed Andrey Rublev after the talented 19-year-old defeated Leandro Riedi in straight sets.
