Berlin Open: Sabalenka books spot in quarter-finals

Belarusian Aryna Sabalenka, the second seed, reached the quarter-finals of the Berlin Open by defeating Russian Daria Kasatkina 6-1, 6-4 at Rot-Weiss Tennis Club on Thursday evening.

Sabalenka, ranked No 3, will play Russian Anna Kalinskaya next.

Kasatkina, ranked No 14, won against Ukrainian Marta Kostyuk (4-6, 7-6 (6), 6-3) in the previous round of the Berlin tournament.

Berlin WTA 500, other last 16 results (Rot-Weiss Tennis Club, grass, USD 922.573, most recent results first):

• Ons Jabeur (8) beat Linda Noskova: 6-7 (5), 6-3, 6-4
• Jessica Pegula (4) beat Donna Vekic (WC): 6-4, 7-5
• Coco Gauff (1) beat Ekaterina Alexandrova: 7-6 (6), 6-2
• Katerina Siniakova (Q) beat Qinwen Zheng (6): 6-4, 6-4
• Anna Kalinskaya beat Marketa Vondrousova (5): 5-5 ret.
• Elena Rybakina (3) beat Veronika Kudermetova (Q): 6-4, 7-5
• Victoria Azarenka beat Zeynep Sonmez (Q): 6-3, 6-3