Read more about the auction right here!
, Victoria Azarenka, Li Na, Agnieszka Radwanska, Laura Robson, Francesca Schiavone, Samantha Stosur, Petra Kvitova, Maria Kirilenko and Marion Bartoli are among those who signed playing cards for the auction, which started Wednesday and will continue through July 6.
"We are extremely grateful for the continued support of the WTA, who have helped us raise over £85,000 for Great Ormond Street Hospital Children's Charity, who need to raise £50 million every year to help keep the magic alive and redevelop the hospital," said Paul Brett of StarCards. "Regular StarCards tennis fans across the world are building up quite a collection."
Great Ormond Street Hospital provides world-class specialist pediatric care, research, training and education, and a continued commitment to sick children for generations to come.