LUXEMBOURG (AP) Mirjana Lucic-Baroni of Croatia defeated third-seeded Sara Errani of Italy 6-3, 6-4 on Wednesday to reach the quarterfinals of the Luxembourg Open.
In an all-German battle, Mona Barthel edged Tatjana Maria 6-3, 2-6, 6-2 to join Lucic-Baroni in Friday's quarterfinal.
In first-round action, two more Germans faced each other, with Anna-Lena Friedsam beating eighth-seeded Annika Beck 4-6, 6-3, 6-4. Anna Tatishvili of the United States beat Oceane Dodin of France, 7-6 (5), 6-3 and Kirsten Flipkens of Belgium beat another American, Madison Brengle, 6-4, 6-3.