Vassiliki Kalogeropoulou: What is a Greek olympian in tennis doing in Melbourne's Australian Open

Vasiliki Kalogeropoulou / SBS Greek / Panos Apostolou

Greek tennis champion Vassiliki Kalogeropoulou is at the Australian Open in Melbourne and takes part in exhibition matches with some of the top hearing-impaired players

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Greek tennis player Vasiliki Kalogeropoulou and her coach, Giannis Ioannidis / SBS Greek / Panos Apostolou