Anastasia Pavlyuchenkova took down top-seeded Magda Linette of Poland 6-3, 6-2 in the Round of 16 at the Internationaux de Strasbourg in Strasbourg, France, on Wednesday.
Pavlyuchenkova broke Linette's serve five times and faced just two breaks herself, saving one, to advance to the quarterfinals.
Pavlyuchenkova, from Russia, faces No. 7 seed Lauren Davis, a 6-4, 3-6, 6-1 winner over Viktoriya Tomova in a two-hour match.
Sixth-seeded Varvara Gracheva of Russia was a straight-sets winner over Selena Janicijevic of France and Elina Svitolina advanced to the quarters in a walkover when New Zealand's Erin Routliffe withdrew due to an abdominal injury.
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Americans Sloane Stephens (No. 2 seed) and Alycia Parks (No. 4) recorded straight-set victories to advance to the quarterfinals in Rabat, Morocco.
Top seeded Italian Martina Trevisan also advanced with a 7-5, 7-5 win over Croatia's Jana Fett. Sixth-seeded Yulia Putintseva of Kazakhstan also won in straight sets.
Third-seeded Mayar Sherif of Egypt was upset in straight sets by Julia Riera of Argentina 7-5, 7-5. Also, No. 5 Leylah Fernandez of Canada was upended by American Peyton Stearns in two hours and two minutes, 6-3, 2-6, 6-2. Lucia Bronzetti of Italy earned a spot in the quarters with a 6-7 (1), 6-4, 7-5 marathon win over No. 8 Tatjana Maria of Germany in nearly three hours.
Unseeded Julia Grabher of Austria also won to advance.
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