 III resulted in the Roland D.VI, which was entered in the First Fighter Competition trials at Adlershof in early 1918.Although the Fokker D.VII won that contest, the D.VI was also ordered into production as it used a different engine, and by the end of the war about 350 had been delivered.A large number of different versions using various engines were built as prototypes without entering production, as well as a triplane adaptation as the D.VI (also known as the Dr.I).