Ana Ivanovic unveiled the new adidas adilibria tennis dress for the Spring/Summer 2010 season at a recent photoshoot in New York. The Serbian tennis player will make a much welcomed comeback to the tennis tour in January 2010 in a fresh new adlibria Tennis look. The 22-year-old Ivanovic will step on the southern hemisphere courts in a core yellow, dropped waist dress that has been 18 months in the making.