Defending champion Diede de Groot beat Britain's Lucy Shuker in straight sets today to book her place in the women's singles semi-finals at the BNP Paribas Open de France in Paris.
The world number one and top seed triumphed 6-4, 6-0 on day three of the International Tennis Federation Super Series event, which is being held at Parc Départemental des Sports de la Grenouillère d'Antony.
It sets up an encounter with another Briton, Jordanne Whiley, who defeated Japan's Momoko Ohtani 6-3, 6-2 in the last eight.
The other semi-final pits second seed Yui Kamiji of Japan against third seed Aniek van Koot of the Netherlands.
Kamiji overcame Dutchwoman Marjolein Buis 6-3, 6-4, while van Koot claimed a 6-3, 5-7, 6-1 win over South Africa's Kgothatso Montjane.
All eight seeded players are through to the quarter-finals of the men's singles.
It means top-ranked Shingo Kunieda of Japan and second seed Gustavo Fernández of Argentina remain on course to meet in the final.
Kunieda beat home player Frederic Cattaneo 6-1, 6-0 today and will face eighth-seeded Dutchman Maikel Scheffers, a 6-3, 6-0 victor at the expense of Italy's Silviu Culea.
Fernández defeated fellow Argentinean Agustin Ledesma 6-1, 6-1 to earn a last-eight meeting with sixth-seeded Frenchman Nicolas Peifer, who overcame the Netherlands' Tom Egberink 7-5, 3-6, 6-4.
In the quads singles, top seed David Wagner of the United States and sixth seed Lucas Sithole of South Africa completed the quarter-final line-up by winning their matches.
Wagner thrashed Chile's Pablo Araya 6-0, 6-0, while Sithole beat Britain's Antony Cotterill 6-4, 6-3.
The two players will do battle in the last eight, which also includes the six other seeds.