From Wikipedia, the free encyclopedia. Bryan Morel "Bitsy" Grant, Jr (December 25, 1909 Atlanta, Georgia - June 5, 1986) was an American professional tennis champion. At 5 feet 4 inches (162 cm) and 120 lbs (54 kg), Grant was the smallest American man to win a championship on the international tennis circuit. A right-handed retriever, he was able to beat heavy-hitting greats such as Don Budge and Ellsworth Vines even when playing on grass. His nickname was "Itsy Bitsy the Giant Killer". At a y ...