At Aviation Club Tennis Centre
Dubai, United Arab Emirates
Surface: Hardcourt outdoor
DUBAI, UNITED ARAB EMIRATES (AP) _ Results Thursday from Dubai Duty Free Tennis Championships at Aviation Club Tennis Centre (seedings in parentheses):
Iga Swiatek (1), Poland, def. Karolina Pliskova, Czech Republic, walkover.
Coco Gauff (5), United States, def. Madison Keys, United States, 6-2, 7-5.
Barbora Krejcikova, Czech Republic, def. Aryna Sabalenka (2), Belarus, 0-6, 7-6 (2), 6-1.
Jessica Pegula (3), United States, def. Karolina Muchova, Czech Republic, walkover.
Demi Schuurs, Netherlands, and Desirae Krawczyk (3), United States, def. Monica Niculescu, Romania, and Kimberley Zimmermann, Belgium, 6-0, 6-4.
Veronika Kudermetova and Liudmila Samsonova, Russia, def. Bethanie Mattek-Sands, United States, and Leylah Annie Fernandez, Canada, 7-5, 7-5.
Lyudmyla Kichenok, Ukraine, and Jelena Ostapenko (2), Latvia, def. Vera Zvonareva, Russia, and Zhaoxuan Yang (7), China, 6-7 (3), 6-2, 10-8.