He commanded the left wing of the Ottoman fleet at the naval Battle of Preveza in 1538 .
Seydi Ali Reis ( 1498 -- 1563 ) , formerly also written Sidi Ali Reis and Sidi Ali Ben Hossein , was an Ottoman admiral and navigator .
Sidi Ali Ben Hossein commanded the left wing of the Ottoman fleet at the naval Battle of Preveza in 1538 .
Seydi Ali Reis ( 1498 -- 1563 ) , formerly also written Sidi Ali Reis and Sidi Ali Ben Hossein , was an Ottoman admiral and navigator .