World's best tennis player, Serena Williams has been training at the ATP stadium Stella Maris tennis courts for the past few days. 
During her conversation with the Istraturist tennis director, Vedran Greblo the best tennis player in the world, Serena Williams announced that it was excellent and that she is extremely pleased with the training conditions. "I hope that I will come back and stay in Umag for a longer period of time", said the best tennis player in the world.