16 (41cm) Canvas Print. File photo dated 04/07/08 of Serena (left) & Venus Williams during a doubles match the Wimbledon Championships 2008. The Williams sisters will battle it out for sibling supremacy today when they face each other in the Wimbledon women s final. Venus Williams, the reigning champion, has been in sublime form throughout the tournament & has reached the final without losing a set. Her younger sister, Serena, will