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Stakusic Upsets Ostapenko, Reaches WTA Quarterfinals

9/14/2025

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Summary

Story summary

Marina Stakusic from Mississauga, Ontario, upset 2017 French Open champion Jelena Ostapenko at the 2025 Guadalajara Open, winning their round of 16 match.
This victory marked Stakusic's second consecutive win over Ostapenko at the tournament.
In the quarterfinals, Stakusic lost to Emiliana Arango 6-2, 6-3 after a rain delay.
Stakusic struggled on serve, saving only one of seven break points.
Her performance was her best finish at a WTA event this year.

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Story summary

Marina Stakusic from Mississauga, Ontario, upset 2017 French Open champion Jelena Ostapenko at the 2025 Guadalajara Open, winning their round of 16 match.
This victory marked Stakusic's second consecutive win over Ostapenko at the tournament.
In the quarterfinals, Stakusic lost to Emiliana Arango 6-2, 6-3 after a rain delay.
Stakusic struggled on serve, saving only one of seven break points.
Her performance was her best finish at a WTA event this year.