Complex sentence: She defeated Elise Mertens, Qiang Wang, Naomi Osaka and Ana Konjuh to reach the quarterfinals for the 13th time in her career, wherehe defeated the 2017 French Open Champion Jelena Ostapenko in straight sets.
Split into simpler sentences: She defeated Elise Mertens, Qiang Wang, Naomi Osaka and Ana Konjuh to reach the quarterfinals for the 13th time in her career. She the 2017 French Open Champion Jelena Ostapenko in straight sets.