كتب : Hatem Maher
Japan looked to have sealed an easy victory after winning the first two sets 25-13, 25-21 but Egypt responded by snatching two successive games with the same score, 26-24.
In the tie-break, Egypt battled but it was Japan who succeeded in winning their World Championship opener following a 15-12 victory.
Egypt are sixth in Pool A with one point, while Poland, who beat China 3-0, are on top with two points.
The Pharaohs will face Puerto Rico on Saturday.