World number one Aryna Sabalenka overcame Marta Kostyuk in stunning fashion to claim the 2026 Brisbane International title on Sunday.
Emma Raducanu says she is 'working on feeling a bit more comfortable' playing clay courts and it will her game on other surfaces.
Emma Raducanu's run at the 2025 Madrid Open is over after a three-set defeat to world No 36 Marta Kostyuk in the second round.
Elena Rybakina won her third WTA Tour title of the year when she defeated Marta Kostyuk in the Porsche Tennis Grand Prix final on Sunday.
The British number one Katie Boulter battled back from a set down to defeat Ukrainian Marta Kostyuk 5-7 6-2 6-2 in the final of the San Diego Open.
Coco Gauff came through a three-hour battle with Ukraine's Marta Kostyuk to reach the semi-finals of the Australian Open for the first time.