Caroline Wozniacki and Victoria Azarenka took part in an exhibition match at the Palace Of Sport in Minsk on Friday evening, with proceeds going to the National Children's Center for Cancer & Blood Disorders in Borovlyany.
Before the exhibition match, which included an appearance on the court by Belarusian President Alexander Lukashenko, Wozniacki and Azarenka visited the aforementioned hospital, signing autographs and meeting young patients.
"The kids were amazing," Azarenka tweeted. "One kid played guitar for us. I have no words, I almost cried. Another kid drew a painting for me, it's beautiful."
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(source: WTA Tour, photos/Reuters Pictures)