Karolina Pliskova Pictures

  • BRISBANE, AUSTRALIA - JANUARY 10: (Editors note: This image has been converted to black and white.) Karolina Pliskova of The Czech Republic serves against Alison Riske of the USA during day five of the 2020 Brisbane International at Pat Rafter Arena on January 10, 2020 in Brisbane, Australia. (Photo by Bradley Kanaris/Getty Images)