Ostapenko, Gauff, Pegula Advance; Kyrgios Injured

At the Stuttgart Open, Jelena Ostapenko continued her dominance over Iga Swiatek with a sixth straight win, securing a semifinal spot against Ekaterina Alexandrova, who advanced past Mirra Andreeva. Coco Gauff returned to form by defeating Ella Seidel and will face Jasmine Paolini in the quarterfinals. Jessica Pegula, following a Charleston Open win, beat Magdalena Frech to set up a quarterfinal rematch with Alexandrova. Aryna Sabalenka progressed to the quarterfinals by walkover after Anastasia Potapova withdrew. At the Oeiras Ladies Open, Katie Volynets and Simona Waltert reached the semifinals, aiming to reverse challenging seasons. Elsewhere, Nick Kyrgios' tennis future is uncertain after he retired from his Indian Wells first-round match due to a wrist injury.