ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02:  Simona Waltert of Switzerland plays a backhand against Daria Kasatkina of Australia in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02:  Simona Waltert of Switzerland plays a backhand against Daria Kasatkina of Australia in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia plays a backhand against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia in action against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia plays a backhand against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia in action against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia plays a backhand against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)

ABU DHABI, UNITED ARAB EMIRATES - FEBRUARY 02: Daria Kasatkina of Australia reacts while playing against Simona Waltert of Switzerland in the first round during day two of the Mubadala Abu Dhabi Open, part of the Hologic WTA Tour, at Zayed Sports City on February 02, 2026 in Abu Dhabi, United Arab Emirates. (Photo by Christopher Pike/Getty Images)