Berlin Open: Wildcard Vondrousova moves into last eight following Niemeier retirement

Czech wildcard Marketa Vondrousova reached the last 8 of the Berlin Open when German qualifier Jule Niemeier retired on Thursday at Rot-Weiss Tennis Club.

Vondrousova, ranked No 53, led 6-3, 6-5 when Niemeier, ranked No 120, pulled out on Thursday at Rot-Weiss Tennis Club.

The Czech will face the winner of the match between Greek Maria Sakkari, the No 6 seed, and Belarusian Aliaksandra Sasnovich next.

In the previous round of the Berlin tournament, Marketa Vondrousova defeated Canadian Bianca Andreescu (7-6, 7-5).

The German won against Tunisian Ons Jabeur, the No 4 seed (7-6 (4), 6-4) in the 32 of the Berlin tournament.

Berlin WTA 500, other last 16 results (Rot-Weiss Tennis Club, grass, EUR 678.814, most recent results first):

• Maria Sakkari vs. Aliaksandra Sasnovich
• Aryna Sabalenka vs. Veronika Kudermetova
• Ekaterina Alexandrova beat Coco Gauff (5): 6-4, 6-0
• Petra Kvitova (7) beat Nadia Podoroska: 6-1, 6-1
• Donna Vekic beat Elena Rybakina (2): 6-7 (1), 6-3, 6-4
• Elina Avanesyan (LL) beat Anna Blinkova: 1-6, 6-3, 6-2
• Caroline Garcia (3) beat Jaimee Fourlis (Q): 6-3, 6-2