The 27-year-old, who is in regular contact with her family and friends back in Ukraine, has taken a break from tennis to focus her efforts on raising funds and awareness of her country's plight.

"It's extremely tough because they [her family] tell their stories," Svitolina told CNN Sport.

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"I speak with my grandmother every day to know how she feels. It's quite tough for her because for elderly people it's most important to have a routine and, right now, there is lots of bombing and shooting going on in Odessa, in my hometown.

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"It is important to stay in touch everyday with her to support her in any way that I can.

"One of the most important things as well is to keep their spirits up."