Madrid Open: Swiatek through to last eight, defeating Alexandrova at 1:10 am

Pole Iga Swiatek, the top seed, advanced to the quarter-finals of the Madrid Open by defeating Russian Ekaterina Alexandrova, the No 16 seed, 6-4, 6-7 (3), 6-3 at the Caja Magica on Monday evening.

Swiatek, ranked No 1, will face Croat Petra Martic, the No 27 seed, next.

Qinwen Zheng, the No 22 seed (5-7, 6-4, 6-2) in the previous rounds of the Madrid tournament.

Madrid WTA 1000, other second-round results (Caja Magica, clay, USD 7.652.174, most recent results first):

• Jessica Pegula (3) beat Martina Trevisan (18): 6-3, 2-6, 6-3
• Petra Martic beat Barbora Krejcikova (11): 6-3, 7-6 (1)
• Maria Sakkari (9) beat Paula Badosa (26): 6-4, 6-4
• Veronika Kudermetova (12) beat Daria Kasatkina (8): 7-5, 1-6, 7-6 (2)
• Aryna Sabalenka (2) beat Mirra Andreeva (WC): 6-3, 6-1
• Mayar Sherif beat Elise Mertens (24): 6-4, 0-6, 6-4
• Irina-Camelia Begu (31) beat Liudmila Samsonova (14): 6-4, 6-4