Magda Linette edged out Russian qualifier Veronika Kudermetova (3-6, 6-0, 6-4) ahead of her victory.

In the previous round of the Qatar tournament, Frech, ranked No 28, won against Brazilian Beatriz Haddad Maia, the No 13 seed (6-4, 3-6, 6-2).

Doha WTA 1000, other second-round results (Khalifa International Tennis and Squash Complex, hard, USD 3.664.963, most recent results first):

• Paula Badosa vs. Amanda Anisimova: tuesday
• Daria Kasatkina (10) beat Elina Avanesyan: 6-2, 6-3
• Ekaterina Alexandrova beat Aryna Sabalenka (1): 3-6, 6-3, 7-6 (5)
• Ons Jabeur beat Qinwen Zheng (7): 6-4, 6-2
• Jessica Pegula (6) beat Elina Svitolina: 6-3, 7-6 (3)
• Rebecca Sramkova beat Mirra Andreeva (12): 3-6, 6-3, 7-5
• Elena Rybakina (5) beat Peyton Stearns: 6-2, 6-4
• Marta Kostyuk beat Coco Gauff (3): 6-2, 7-5
• Jelena Ostapenko beat Liudmila Samsonova (16): 7-6 (5), 7-5
• Elise Mertens beat Cristina Bucsa (Q): 6-2, 6-3
• Linda Noskova beat Yulia Putintseva: 6-2, 6-3
• Jasmine Paolini (4) beat Caroline Garcia (WC): 6-3, 6-4
• Sofia Kenin (WC) beat Alycia Parks (Q): 7-6 (3), 3-6, 6-2
• Leylah Fernandez beat Emma Navarro (8): 6-2, 6-2
• Iga Swiatek (2) beat Maria Sakkari: 6-3, 6-2